AURUM Downhill Bike of the Year

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Whether you’re into World Cup downhill runs, endless park days or after-work shuttle laps, the Aurum delivers unbelievable performance in any gravity-oriented environment. A purpose-built DH race bike, it is designed to be fast and controlled over the steepest, most technical terrain imaginable. The Aurum – Latin for “gold” – earned its name by turning the most challenging terrain features into advantages over other riders. Throw a leg over one and you’ll be converted, too.
Intended Use
DH Race/Park
Travel
200mm
7.9in
Wheel Size
26"
Technologies

The Technology Inside the Aurum LE

Flip Dropout

Brand new for 2014, the proprietary Flip Dropout features a sturdy Flip Chip that adapts to the specific needs of the rider. Extended, the Flip Chip features an eyelet that functions as an additional mounting point for fenders. The Flip eyelet is intentionally set on a different plane than the primary eyelet to ensure maximum fender/rack compatibility. Retracted, the Flip Chip is hidden neatly out of the way.


Flip Dropout

Brand new for 2014, the proprietary Flip Dropout features a sturdy Flip Chip that adapts to the specific needs of the rider. Extended, the Flip Chip features an eyelet that functions as an additional mounting point for fenders. The Flip eyelet is intentionally set on a different plane than the primary eyelet to ensure maximum fender/rack compatibility. Retracted, the Flip Chip is hidden neatly out of the way.


Gravity Tune


With traditional frame designs, engineers adjust front-centre lengths for each frame size but use a single, fixed rear-centre length. This approach leaves riders of certain body types in a poor position when standing. Poor body position leads to uneven weight distribution and negatively affects traction, control and overall performance and ride characteristics. A simple solution to a complex problem, Gravity Tune fixes the front-centre/rear-centre ratio across all frame sizes, effectively optimizing geometry for every bike in the line. As a result, weight is always optimally distributed – regardless of rider height. Available only on Norco Bikes, Gravity Tune means equal ride characteristics and unrivalled control for all.


Syntace Integrated Derailleur Hanger


Proven to be substantially stiffer and less prone to damage than conventional derailleur hangers, the X-12 system ensures incredibly crisp and precise shifting. Each frame comes with a spare hanger bolt integrated into the frame for emergency trailside repairs.


Tapered Head Tube


Tapered head tubes provide three major benefits to riders: stiffness, responsiveness and durability. A wider head tube junction leaves room for a larger down tube, enabling engineers to create a stiffer, more efficient pedaling platform. The wider junction also enables us to use forks with stiffer, stronger fork crowns and steer tubes; these forks are less prone to flex, so riders experience enhanced responsiveness and control in the handling of the bike. Tapered head tubes also enable engineers to optimize headset bearings. Oversized 1 1/2” lower bearings are stronger and more durable, and they are better at dissipating loads and handling impacts. Smaller 1 1/8” upper bearings, which experience less load, are lighter. Combined, all of these tapered head tube benefits contribute to a more thrilling ride experience.


Power Chassis


Norco’s Power Chassis Design is the ultra-efficient power transfer system that gives our carbon road bikes their responsiveness and explo- sive acceleration. The Power Chassis is a complete pedaling platform designed to convert energy from a rider’s whole body into forward mo- mentum. The design begins at the tapered head tube and leads down through an oversized, down tube that creates an extremely stiff linkage between the front and back end of the bike. The down tube leads into an oversized, super-stiff bottom bracket shell designed to house the most efficient cranks available today. The oversized BB area then leads through to an especially broad set of chain stays, engineered to conduct energy directly from cranks through to the back wheel where they are converted into forward thrust.


Tapered Head Tube


Tapered head tubes provide three major benefits to riders: stiffness, responsiveness and durability. A wider head tube junction leaves room for a larger down tube, enabling engineers to create a stiffer, more efficient pedaling platform. The wider junction also enables us to use forks with stiffer, stronger fork crowns and steer tubes; these forks are less prone to flex, so riders experience enhanced responsiveness and control in the handling of the bike. Tapered head tubes also enable engineers to optimize headset bearings. Oversized 1 1/2” lower bearings are stronger and more durable, and they are better at dissipating loads and handling impacts. Smaller 1 1/8” upper bearings, which experience less load, are lighter. Combined, all of these tapered head tube benefits contribute to a more thrilling ride experience.


Applied Road Compliance


Norco’s performance road frames feature Advanced Road Compliance (ARC) technology, which optimizes the vertical compliance to lateral rigidity ratio for race and endurance applications. ARC seat stays are designed with a distinctive bow shape that works like micro-suspension to dampen fatiguing road vibrations. ARC technology enables us to maximize rider comfort without any sacrifice to the lateral stiffness that gives a high performance road bike its pedaling efficiency and explosiveness.

ARC Endurance: Seat stays are slender and feature a very pronounced bow shape that makes them extremely effective at dampening road vibrations. Chain stays are broad and stiff to ensure optimal pedaling efficiency, and they are engineered to be slightly longer to deliver a more stable ride experience.

ARC Race: Seat stays are slender and feature a less pronounced bow shape that still delivers effective road vibration dampening. Chain stays are broad and extremely stiff to deliver maximum pedaling efficiency, and they are engineered to be slightly shorter to deliver a highly responsive ride experience.


SmoothCore


Structurally speaking, the inside of a carbon frame is just as important as the outside. Norco’s SmoothCore process enables us to maintain precision control over all of the inner surfaces of our carbon frames, which is particularly critical at complicated, high-stress areas like the head tube and bottom bracket junctions. The secret to SmoothCore is our innovative mandrel system, which eliminates the possibility of wrinkling during the carbon fibre layup process and enables us to guarantee exceptionally smooth inner surfaces throughout the frame. Most importantly to the rider, SmoothCore greatly improves frame strength over conventional carbon layup processes. Norco’s 2013 carbon frames are the strongest and most resilient we’ve ever made, inside and out.


ArmorLite


Norco’s carbon frames are manufactured with only the highest quality materials, right down to the resin we use to hold everything together. Our superior quality ArmorLite resin produces an exceptionally strong bond that enhances frame strength, prevents damage and increases impact resistance. ArmorLite resin is so efficient that less of it is required – enabling us to produce carbon frames that are both stronger AND lighter than those manufactured using conventional resins.


Pressfit BB30


A PressFit 30 bottom bracket offers all of the stiffness benefits of a BB30 bottom bracket, and adds a few unique benefits of its own. With PressFit 30 bottom brackets, bearings are housed in nylon cups that are pressed directly into the BB shell. This eliminates the need for the aluminum sleeve used in traditional BB30 designs and therefore reduces overall weight. The PressFit 30 system also creates a better seal around bearings, increasing their lifespan and reducing the possibility of a blowout. PressFit 30 BBs are less prone to creaking than other BBs and are compatible with all BB30 cranksets.


Advanced Ride Technology


Advanced Ride Technology, or A.R.T., is the direct link between engineering and experience. More than a single suspension platform, A.R.T. is a system that we optimize for each intended use. Norco’s engineering team strategically manipulates pivot locations to precision-tune suspension kinematics, ensuring that every full suspension bike will excel in the environment it was designed for. For downhill applications, we increase rearward axle path for a more controlled ride over gnarly, unpredictable terrain. For cross-country we increase pedaling efficiency and small bump compliance for a faster, smoother ride. A.R.T. delivers four major benefits to riders: enhanced pedaling efficiency, increased square-edge bump compliance, improved braking performance and progressive suspension characteristics. These benefits are balanced in different proportions based on intended use, creating a ride experience unique to each model.

Enhanced Pedaling Efficiency
A.R.T. is designed to effectively manage chain growth to create anti-squat forces that counteract the forces responsible for suspension bob. The result is an incredibly efficient pedaling platform, superior power transfer and unmatched climbing ability.

Increased Square-Edge Bump Compliance
Rearward axle path describes the rear wheel’s trajectory as a bicycle moves through its travel. A.R.T. uses a pronounced rearward axle path that enables the wheel to travel both rearward and upward, up and out of the way of obstacles.

Improved Braking Performance
A pronounced rearward axle path also allows a bike’s suspension to remain fully active when pressure is applied to the brakes. A.R.T. delivers powerful, predictable braking with fully active suspension and superior traction at all times.

Progressive Suspension Characteristics
A.R.T. suspension uses a progressive leverage ratio curve, meaning that the forces required to engage the shock increase progressively as the shock moves through its travel. The first part of the stroke is very supple and effectively absorbs small to medium-sized impacts. Toward the end of the stroke, the shock becomes progressively stiffer, resulting in a ‘bottomless’ feel. To the rider, this progressive curve is experienced as consistent, predictable suspension at every point in the travel.


Holloform Link Arm


Norco’s Holloform linkarm is a hyper-rigid, one-piece linkarm that provides two distinct benefits to riders. First, it provides lateral support to the seat stays and stiffens the rear triangle, keeping the bike tracking straight and true through any terrain. Second, it prevents torsional forces from affecting the rear shock, reducing stiction and increasing shock life.


Post Mount Brakes


Integrated into the rear dropouts, the post mount uses half of the hardware of a normal brake mounting system and creates a stronger structure that reduces braking harmonics.


360 Lock


Norco’s 360º Lock pivots employ a tapered collet insert that, when the pivot hardware is tightened, expands to grip the inner race of the pivot bearing around the full 3600 of its inner diameter. This design creates a much stronger grip, prevents unwanted forces from acting on the bearing and prolongs bearing lifespan.


Gravity Tune Syntace Integrated Derailleur Hanger Tapered Head Tube Advanced Ride Technology Holloform Link Arm Post Mount Brakes
Intended Use
DH Race/Park
Travel
200mm
7.9in
Wheel Size
26"
Technologies

The Technology Inside the Aurum 6.1

Flip Dropout

Brand new for 2014, the proprietary Flip Dropout features a sturdy Flip Chip that adapts to the specific needs of the rider. Extended, the Flip Chip features an eyelet that functions as an additional mounting point for fenders. The Flip eyelet is intentionally set on a different plane than the primary eyelet to ensure maximum fender/rack compatibility. Retracted, the Flip Chip is hidden neatly out of the way.


Flip Dropout

Brand new for 2014, the proprietary Flip Dropout features a sturdy Flip Chip that adapts to the specific needs of the rider. Extended, the Flip Chip features an eyelet that functions as an additional mounting point for fenders. The Flip eyelet is intentionally set on a different plane than the primary eyelet to ensure maximum fender/rack compatibility. Retracted, the Flip Chip is hidden neatly out of the way.


Gravity Tune


With traditional frame designs, engineers adjust front-centre lengths for each frame size but use a single, fixed rear-centre length. This approach leaves riders of certain body types in a poor position when standing. Poor body position leads to uneven weight distribution and negatively affects traction, control and overall performance and ride characteristics. A simple solution to a complex problem, Gravity Tune fixes the front-centre/rear-centre ratio across all frame sizes, effectively optimizing geometry for every bike in the line. As a result, weight is always optimally distributed – regardless of rider height. Available only on Norco Bikes, Gravity Tune means equal ride characteristics and unrivalled control for all.


Syntace Integrated Derailleur Hanger


Proven to be substantially stiffer and less prone to damage than conventional derailleur hangers, the X-12 system ensures incredibly crisp and precise shifting. Each frame comes with a spare hanger bolt integrated into the frame for emergency trailside repairs.


Tapered Head Tube


Tapered head tubes provide three major benefits to riders: stiffness, responsiveness and durability. A wider head tube junction leaves room for a larger down tube, enabling engineers to create a stiffer, more efficient pedaling platform. The wider junction also enables us to use forks with stiffer, stronger fork crowns and steer tubes; these forks are less prone to flex, so riders experience enhanced responsiveness and control in the handling of the bike. Tapered head tubes also enable engineers to optimize headset bearings. Oversized 1 1/2” lower bearings are stronger and more durable, and they are better at dissipating loads and handling impacts. Smaller 1 1/8” upper bearings, which experience less load, are lighter. Combined, all of these tapered head tube benefits contribute to a more thrilling ride experience.


Power Chassis


Norco’s Power Chassis Design is the ultra-efficient power transfer system that gives our carbon road bikes their responsiveness and explo- sive acceleration. The Power Chassis is a complete pedaling platform designed to convert energy from a rider’s whole body into forward mo- mentum. The design begins at the tapered head tube and leads down through an oversized, down tube that creates an extremely stiff linkage between the front and back end of the bike. The down tube leads into an oversized, super-stiff bottom bracket shell designed to house the most efficient cranks available today. The oversized BB area then leads through to an especially broad set of chain stays, engineered to conduct energy directly from cranks through to the back wheel where they are converted into forward thrust.


Tapered Head Tube


Tapered head tubes provide three major benefits to riders: stiffness, responsiveness and durability. A wider head tube junction leaves room for a larger down tube, enabling engineers to create a stiffer, more efficient pedaling platform. The wider junction also enables us to use forks with stiffer, stronger fork crowns and steer tubes; these forks are less prone to flex, so riders experience enhanced responsiveness and control in the handling of the bike. Tapered head tubes also enable engineers to optimize headset bearings. Oversized 1 1/2” lower bearings are stronger and more durable, and they are better at dissipating loads and handling impacts. Smaller 1 1/8” upper bearings, which experience less load, are lighter. Combined, all of these tapered head tube benefits contribute to a more thrilling ride experience.


Applied Road Compliance


Norco’s performance road frames feature Advanced Road Compliance (ARC) technology, which optimizes the vertical compliance to lateral rigidity ratio for race and endurance applications. ARC seat stays are designed with a distinctive bow shape that works like micro-suspension to dampen fatiguing road vibrations. ARC technology enables us to maximize rider comfort without any sacrifice to the lateral stiffness that gives a high performance road bike its pedaling efficiency and explosiveness.

ARC Endurance: Seat stays are slender and feature a very pronounced bow shape that makes them extremely effective at dampening road vibrations. Chain stays are broad and stiff to ensure optimal pedaling efficiency, and they are engineered to be slightly longer to deliver a more stable ride experience.

ARC Race: Seat stays are slender and feature a less pronounced bow shape that still delivers effective road vibration dampening. Chain stays are broad and extremely stiff to deliver maximum pedaling efficiency, and they are engineered to be slightly shorter to deliver a highly responsive ride experience.


SmoothCore


Structurally speaking, the inside of a carbon frame is just as important as the outside. Norco’s SmoothCore process enables us to maintain precision control over all of the inner surfaces of our carbon frames, which is particularly critical at complicated, high-stress areas like the head tube and bottom bracket junctions. The secret to SmoothCore is our innovative mandrel system, which eliminates the possibility of wrinkling during the carbon fibre layup process and enables us to guarantee exceptionally smooth inner surfaces throughout the frame. Most importantly to the rider, SmoothCore greatly improves frame strength over conventional carbon layup processes. Norco’s 2013 carbon frames are the strongest and most resilient we’ve ever made, inside and out.


ArmorLite


Norco’s carbon frames are manufactured with only the highest quality materials, right down to the resin we use to hold everything together. Our superior quality ArmorLite resin produces an exceptionally strong bond that enhances frame strength, prevents damage and increases impact resistance. ArmorLite resin is so efficient that less of it is required – enabling us to produce carbon frames that are both stronger AND lighter than those manufactured using conventional resins.


Pressfit BB30


A PressFit 30 bottom bracket offers all of the stiffness benefits of a BB30 bottom bracket, and adds a few unique benefits of its own. With PressFit 30 bottom brackets, bearings are housed in nylon cups that are pressed directly into the BB shell. This eliminates the need for the aluminum sleeve used in traditional BB30 designs and therefore reduces overall weight. The PressFit 30 system also creates a better seal around bearings, increasing their lifespan and reducing the possibility of a blowout. PressFit 30 BBs are less prone to creaking than other BBs and are compatible with all BB30 cranksets.


Advanced Ride Technology


Advanced Ride Technology, or A.R.T., is the direct link between engineering and experience. More than a single suspension platform, A.R.T. is a system that we optimize for each intended use. Norco’s engineering team strategically manipulates pivot locations to precision-tune suspension kinematics, ensuring that every full suspension bike will excel in the environment it was designed for. For downhill applications, we increase rearward axle path for a more controlled ride over gnarly, unpredictable terrain. For cross-country we increase pedaling efficiency and small bump compliance for a faster, smoother ride. A.R.T. delivers four major benefits to riders: enhanced pedaling efficiency, increased square-edge bump compliance, improved braking performance and progressive suspension characteristics. These benefits are balanced in different proportions based on intended use, creating a ride experience unique to each model.

Enhanced Pedaling Efficiency
A.R.T. is designed to effectively manage chain growth to create anti-squat forces that counteract the forces responsible for suspension bob. The result is an incredibly efficient pedaling platform, superior power transfer and unmatched climbing ability.

Increased Square-Edge Bump Compliance
Rearward axle path describes the rear wheel’s trajectory as a bicycle moves through its travel. A.R.T. uses a pronounced rearward axle path that enables the wheel to travel both rearward and upward, up and out of the way of obstacles.

Improved Braking Performance
A pronounced rearward axle path also allows a bike’s suspension to remain fully active when pressure is applied to the brakes. A.R.T. delivers powerful, predictable braking with fully active suspension and superior traction at all times.

Progressive Suspension Characteristics
A.R.T. suspension uses a progressive leverage ratio curve, meaning that the forces required to engage the shock increase progressively as the shock moves through its travel. The first part of the stroke is very supple and effectively absorbs small to medium-sized impacts. Toward the end of the stroke, the shock becomes progressively stiffer, resulting in a ‘bottomless’ feel. To the rider, this progressive curve is experienced as consistent, predictable suspension at every point in the travel.


Holloform Link Arm


Norco’s Holloform linkarm is a hyper-rigid, one-piece linkarm that provides two distinct benefits to riders. First, it provides lateral support to the seat stays and stiffens the rear triangle, keeping the bike tracking straight and true through any terrain. Second, it prevents torsional forces from affecting the rear shock, reducing stiction and increasing shock life.


Post Mount Brakes


Integrated into the rear dropouts, the post mount uses half of the hardware of a normal brake mounting system and creates a stronger structure that reduces braking harmonics.


360 Lock


Norco’s 360º Lock pivots employ a tapered collet insert that, when the pivot hardware is tightened, expands to grip the inner race of the pivot bearing around the full 3600 of its inner diameter. This design creates a much stronger grip, prevents unwanted forces from acting on the bearing and prolongs bearing lifespan.


Gravity Tune Syntace Integrated Derailleur Hanger Tapered Head Tube Advanced Ride Technology Holloform Link Arm Post Mount Brakes
Intended Use
DH Race/Park
Travel
200mm
7.9in
Wheel Size
26"
Technologies

The Technology Inside the Aurum 6.2

Flip Dropout

Brand new for 2014, the proprietary Flip Dropout features a sturdy Flip Chip that adapts to the specific needs of the rider. Extended, the Flip Chip features an eyelet that functions as an additional mounting point for fenders. The Flip eyelet is intentionally set on a different plane than the primary eyelet to ensure maximum fender/rack compatibility. Retracted, the Flip Chip is hidden neatly out of the way.


Flip Dropout

Brand new for 2014, the proprietary Flip Dropout features a sturdy Flip Chip that adapts to the specific needs of the rider. Extended, the Flip Chip features an eyelet that functions as an additional mounting point for fenders. The Flip eyelet is intentionally set on a different plane than the primary eyelet to ensure maximum fender/rack compatibility. Retracted, the Flip Chip is hidden neatly out of the way.


Gravity Tune


With traditional frame designs, engineers adjust front-centre lengths for each frame size but use a single, fixed rear-centre length. This approach leaves riders of certain body types in a poor position when standing. Poor body position leads to uneven weight distribution and negatively affects traction, control and overall performance and ride characteristics. A simple solution to a complex problem, Gravity Tune fixes the front-centre/rear-centre ratio across all frame sizes, effectively optimizing geometry for every bike in the line. As a result, weight is always optimally distributed – regardless of rider height. Available only on Norco Bikes, Gravity Tune means equal ride characteristics and unrivalled control for all.


Syntace Integrated Derailleur Hanger


Proven to be substantially stiffer and less prone to damage than conventional derailleur hangers, the X-12 system ensures incredibly crisp and precise shifting. Each frame comes with a spare hanger bolt integrated into the frame for emergency trailside repairs.


Tapered Head Tube


Tapered head tubes provide three major benefits to riders: stiffness, responsiveness and durability. A wider head tube junction leaves room for a larger down tube, enabling engineers to create a stiffer, more efficient pedaling platform. The wider junction also enables us to use forks with stiffer, stronger fork crowns and steer tubes; these forks are less prone to flex, so riders experience enhanced responsiveness and control in the handling of the bike. Tapered head tubes also enable engineers to optimize headset bearings. Oversized 1 1/2” lower bearings are stronger and more durable, and they are better at dissipating loads and handling impacts. Smaller 1 1/8” upper bearings, which experience less load, are lighter. Combined, all of these tapered head tube benefits contribute to a more thrilling ride experience.


Power Chassis


Norco’s Power Chassis Design is the ultra-efficient power transfer system that gives our carbon road bikes their responsiveness and explo- sive acceleration. The Power Chassis is a complete pedaling platform designed to convert energy from a rider’s whole body into forward mo- mentum. The design begins at the tapered head tube and leads down through an oversized, down tube that creates an extremely stiff linkage between the front and back end of the bike. The down tube leads into an oversized, super-stiff bottom bracket shell designed to house the most efficient cranks available today. The oversized BB area then leads through to an especially broad set of chain stays, engineered to conduct energy directly from cranks through to the back wheel where they are converted into forward thrust.


Tapered Head Tube


Tapered head tubes provide three major benefits to riders: stiffness, responsiveness and durability. A wider head tube junction leaves room for a larger down tube, enabling engineers to create a stiffer, more efficient pedaling platform. The wider junction also enables us to use forks with stiffer, stronger fork crowns and steer tubes; these forks are less prone to flex, so riders experience enhanced responsiveness and control in the handling of the bike. Tapered head tubes also enable engineers to optimize headset bearings. Oversized 1 1/2” lower bearings are stronger and more durable, and they are better at dissipating loads and handling impacts. Smaller 1 1/8” upper bearings, which experience less load, are lighter. Combined, all of these tapered head tube benefits contribute to a more thrilling ride experience.


Applied Road Compliance


Norco’s performance road frames feature Advanced Road Compliance (ARC) technology, which optimizes the vertical compliance to lateral rigidity ratio for race and endurance applications. ARC seat stays are designed with a distinctive bow shape that works like micro-suspension to dampen fatiguing road vibrations. ARC technology enables us to maximize rider comfort without any sacrifice to the lateral stiffness that gives a high performance road bike its pedaling efficiency and explosiveness.

ARC Endurance: Seat stays are slender and feature a very pronounced bow shape that makes them extremely effective at dampening road vibrations. Chain stays are broad and stiff to ensure optimal pedaling efficiency, and they are engineered to be slightly longer to deliver a more stable ride experience.

ARC Race: Seat stays are slender and feature a less pronounced bow shape that still delivers effective road vibration dampening. Chain stays are broad and extremely stiff to deliver maximum pedaling efficiency, and they are engineered to be slightly shorter to deliver a highly responsive ride experience.


SmoothCore


Structurally speaking, the inside of a carbon frame is just as important as the outside. Norco’s SmoothCore process enables us to maintain precision control over all of the inner surfaces of our carbon frames, which is particularly critical at complicated, high-stress areas like the head tube and bottom bracket junctions. The secret to SmoothCore is our innovative mandrel system, which eliminates the possibility of wrinkling during the carbon fibre layup process and enables us to guarantee exceptionally smooth inner surfaces throughout the frame. Most importantly to the rider, SmoothCore greatly improves frame strength over conventional carbon layup processes. Norco’s 2013 carbon frames are the strongest and most resilient we’ve ever made, inside and out.


ArmorLite


Norco’s carbon frames are manufactured with only the highest quality materials, right down to the resin we use to hold everything together. Our superior quality ArmorLite resin produces an exceptionally strong bond that enhances frame strength, prevents damage and increases impact resistance. ArmorLite resin is so efficient that less of it is required – enabling us to produce carbon frames that are both stronger AND lighter than those manufactured using conventional resins.


Pressfit BB30


A PressFit 30 bottom bracket offers all of the stiffness benefits of a BB30 bottom bracket, and adds a few unique benefits of its own. With PressFit 30 bottom brackets, bearings are housed in nylon cups that are pressed directly into the BB shell. This eliminates the need for the aluminum sleeve used in traditional BB30 designs and therefore reduces overall weight. The PressFit 30 system also creates a better seal around bearings, increasing their lifespan and reducing the possibility of a blowout. PressFit 30 BBs are less prone to creaking than other BBs and are compatible with all BB30 cranksets.


Advanced Ride Technology


Advanced Ride Technology, or A.R.T., is the direct link between engineering and experience. More than a single suspension platform, A.R.T. is a system that we optimize for each intended use. Norco’s engineering team strategically manipulates pivot locations to precision-tune suspension kinematics, ensuring that every full suspension bike will excel in the environment it was designed for. For downhill applications, we increase rearward axle path for a more controlled ride over gnarly, unpredictable terrain. For cross-country we increase pedaling efficiency and small bump compliance for a faster, smoother ride. A.R.T. delivers four major benefits to riders: enhanced pedaling efficiency, increased square-edge bump compliance, improved braking performance and progressive suspension characteristics. These benefits are balanced in different proportions based on intended use, creating a ride experience unique to each model.

Enhanced Pedaling Efficiency
A.R.T. is designed to effectively manage chain growth to create anti-squat forces that counteract the forces responsible for suspension bob. The result is an incredibly efficient pedaling platform, superior power transfer and unmatched climbing ability.

Increased Square-Edge Bump Compliance
Rearward axle path describes the rear wheel’s trajectory as a bicycle moves through its travel. A.R.T. uses a pronounced rearward axle path that enables the wheel to travel both rearward and upward, up and out of the way of obstacles.

Improved Braking Performance
A pronounced rearward axle path also allows a bike’s suspension to remain fully active when pressure is applied to the brakes. A.R.T. delivers powerful, predictable braking with fully active suspension and superior traction at all times.

Progressive Suspension Characteristics
A.R.T. suspension uses a progressive leverage ratio curve, meaning that the forces required to engage the shock increase progressively as the shock moves through its travel. The first part of the stroke is very supple and effectively absorbs small to medium-sized impacts. Toward the end of the stroke, the shock becomes progressively stiffer, resulting in a ‘bottomless’ feel. To the rider, this progressive curve is experienced as consistent, predictable suspension at every point in the travel.


Holloform Link Arm


Norco’s Holloform linkarm is a hyper-rigid, one-piece linkarm that provides two distinct benefits to riders. First, it provides lateral support to the seat stays and stiffens the rear triangle, keeping the bike tracking straight and true through any terrain. Second, it prevents torsional forces from affecting the rear shock, reducing stiction and increasing shock life.


Post Mount Brakes


Integrated into the rear dropouts, the post mount uses half of the hardware of a normal brake mounting system and creates a stronger structure that reduces braking harmonics.


360 Lock


Norco’s 360º Lock pivots employ a tapered collet insert that, when the pivot hardware is tightened, expands to grip the inner race of the pivot bearing around the full 3600 of its inner diameter. This design creates a much stronger grip, prevents unwanted forces from acting on the bearing and prolongs bearing lifespan.


Gravity Tune Syntace Integrated Derailleur Hanger Tapered Head Tube Advanced Ride Technology Holloform Link Arm Post Mount Brakes
Intended Use
DH Race/Park
Travel
200mm
7.9in
Wheel Size
26"
Technologies

The Technology Inside the Aurum 6.3

Flip Dropout

Brand new for 2014, the proprietary Flip Dropout features a sturdy Flip Chip that adapts to the specific needs of the rider. Extended, the Flip Chip features an eyelet that functions as an additional mounting point for fenders. The Flip eyelet is intentionally set on a different plane than the primary eyelet to ensure maximum fender/rack compatibility. Retracted, the Flip Chip is hidden neatly out of the way.


Flip Dropout

Brand new for 2014, the proprietary Flip Dropout features a sturdy Flip Chip that adapts to the specific needs of the rider. Extended, the Flip Chip features an eyelet that functions as an additional mounting point for fenders. The Flip eyelet is intentionally set on a different plane than the primary eyelet to ensure maximum fender/rack compatibility. Retracted, the Flip Chip is hidden neatly out of the way.


Gravity Tune


With traditional frame designs, engineers adjust front-centre lengths for each frame size but use a single, fixed rear-centre length. This approach leaves riders of certain body types in a poor position when standing. Poor body position leads to uneven weight distribution and negatively affects traction, control and overall performance and ride characteristics. A simple solution to a complex problem, Gravity Tune fixes the front-centre/rear-centre ratio across all frame sizes, effectively optimizing geometry for every bike in the line. As a result, weight is always optimally distributed – regardless of rider height. Available only on Norco Bikes, Gravity Tune means equal ride characteristics and unrivalled control for all.


Syntace Integrated Derailleur Hanger


Proven to be substantially stiffer and less prone to damage than conventional derailleur hangers, the X-12 system ensures incredibly crisp and precise shifting. Each frame comes with a spare hanger bolt integrated into the frame for emergency trailside repairs.


Tapered Head Tube


Tapered head tubes provide three major benefits to riders: stiffness, responsiveness and durability. A wider head tube junction leaves room for a larger down tube, enabling engineers to create a stiffer, more efficient pedaling platform. The wider junction also enables us to use forks with stiffer, stronger fork crowns and steer tubes; these forks are less prone to flex, so riders experience enhanced responsiveness and control in the handling of the bike. Tapered head tubes also enable engineers to optimize headset bearings. Oversized 1 1/2” lower bearings are stronger and more durable, and they are better at dissipating loads and handling impacts. Smaller 1 1/8” upper bearings, which experience less load, are lighter. Combined, all of these tapered head tube benefits contribute to a more thrilling ride experience.


Power Chassis


Norco’s Power Chassis Design is the ultra-efficient power transfer system that gives our carbon road bikes their responsiveness and explo- sive acceleration. The Power Chassis is a complete pedaling platform designed to convert energy from a rider’s whole body into forward mo- mentum. The design begins at the tapered head tube and leads down through an oversized, down tube that creates an extremely stiff linkage between the front and back end of the bike. The down tube leads into an oversized, super-stiff bottom bracket shell designed to house the most efficient cranks available today. The oversized BB area then leads through to an especially broad set of chain stays, engineered to conduct energy directly from cranks through to the back wheel where they are converted into forward thrust.


Tapered Head Tube


Tapered head tubes provide three major benefits to riders: stiffness, responsiveness and durability. A wider head tube junction leaves room for a larger down tube, enabling engineers to create a stiffer, more efficient pedaling platform. The wider junction also enables us to use forks with stiffer, stronger fork crowns and steer tubes; these forks are less prone to flex, so riders experience enhanced responsiveness and control in the handling of the bike. Tapered head tubes also enable engineers to optimize headset bearings. Oversized 1 1/2” lower bearings are stronger and more durable, and they are better at dissipating loads and handling impacts. Smaller 1 1/8” upper bearings, which experience less load, are lighter. Combined, all of these tapered head tube benefits contribute to a more thrilling ride experience.


Applied Road Compliance


Norco’s performance road frames feature Advanced Road Compliance (ARC) technology, which optimizes the vertical compliance to lateral rigidity ratio for race and endurance applications. ARC seat stays are designed with a distinctive bow shape that works like micro-suspension to dampen fatiguing road vibrations. ARC technology enables us to maximize rider comfort without any sacrifice to the lateral stiffness that gives a high performance road bike its pedaling efficiency and explosiveness.

ARC Endurance: Seat stays are slender and feature a very pronounced bow shape that makes them extremely effective at dampening road vibrations. Chain stays are broad and stiff to ensure optimal pedaling efficiency, and they are engineered to be slightly longer to deliver a more stable ride experience.

ARC Race: Seat stays are slender and feature a less pronounced bow shape that still delivers effective road vibration dampening. Chain stays are broad and extremely stiff to deliver maximum pedaling efficiency, and they are engineered to be slightly shorter to deliver a highly responsive ride experience.


SmoothCore


Structurally speaking, the inside of a carbon frame is just as important as the outside. Norco’s SmoothCore process enables us to maintain precision control over all of the inner surfaces of our carbon frames, which is particularly critical at complicated, high-stress areas like the head tube and bottom bracket junctions. The secret to SmoothCore is our innovative mandrel system, which eliminates the possibility of wrinkling during the carbon fibre layup process and enables us to guarantee exceptionally smooth inner surfaces throughout the frame. Most importantly to the rider, SmoothCore greatly improves frame strength over conventional carbon layup processes. Norco’s 2013 carbon frames are the strongest and most resilient we’ve ever made, inside and out.


ArmorLite


Norco’s carbon frames are manufactured with only the highest quality materials, right down to the resin we use to hold everything together. Our superior quality ArmorLite resin produces an exceptionally strong bond that enhances frame strength, prevents damage and increases impact resistance. ArmorLite resin is so efficient that less of it is required – enabling us to produce carbon frames that are both stronger AND lighter than those manufactured using conventional resins.


Pressfit BB30


A PressFit 30 bottom bracket offers all of the stiffness benefits of a BB30 bottom bracket, and adds a few unique benefits of its own. With PressFit 30 bottom brackets, bearings are housed in nylon cups that are pressed directly into the BB shell. This eliminates the need for the aluminum sleeve used in traditional BB30 designs and therefore reduces overall weight. The PressFit 30 system also creates a better seal around bearings, increasing their lifespan and reducing the possibility of a blowout. PressFit 30 BBs are less prone to creaking than other BBs and are compatible with all BB30 cranksets.


Advanced Ride Technology


Advanced Ride Technology, or A.R.T., is the direct link between engineering and experience. More than a single suspension platform, A.R.T. is a system that we optimize for each intended use. Norco’s engineering team strategically manipulates pivot locations to precision-tune suspension kinematics, ensuring that every full suspension bike will excel in the environment it was designed for. For downhill applications, we increase rearward axle path for a more controlled ride over gnarly, unpredictable terrain. For cross-country we increase pedaling efficiency and small bump compliance for a faster, smoother ride. A.R.T. delivers four major benefits to riders: enhanced pedaling efficiency, increased square-edge bump compliance, improved braking performance and progressive suspension characteristics. These benefits are balanced in different proportions based on intended use, creating a ride experience unique to each model.

Enhanced Pedaling Efficiency
A.R.T. is designed to effectively manage chain growth to create anti-squat forces that counteract the forces responsible for suspension bob. The result is an incredibly efficient pedaling platform, superior power transfer and unmatched climbing ability.

Increased Square-Edge Bump Compliance
Rearward axle path describes the rear wheel’s trajectory as a bicycle moves through its travel. A.R.T. uses a pronounced rearward axle path that enables the wheel to travel both rearward and upward, up and out of the way of obstacles.

Improved Braking Performance
A pronounced rearward axle path also allows a bike’s suspension to remain fully active when pressure is applied to the brakes. A.R.T. delivers powerful, predictable braking with fully active suspension and superior traction at all times.

Progressive Suspension Characteristics
A.R.T. suspension uses a progressive leverage ratio curve, meaning that the forces required to engage the shock increase progressively as the shock moves through its travel. The first part of the stroke is very supple and effectively absorbs small to medium-sized impacts. Toward the end of the stroke, the shock becomes progressively stiffer, resulting in a ‘bottomless’ feel. To the rider, this progressive curve is experienced as consistent, predictable suspension at every point in the travel.


Holloform Link Arm


Norco’s Holloform linkarm is a hyper-rigid, one-piece linkarm that provides two distinct benefits to riders. First, it provides lateral support to the seat stays and stiffens the rear triangle, keeping the bike tracking straight and true through any terrain. Second, it prevents torsional forces from affecting the rear shock, reducing stiction and increasing shock life.


Post Mount Brakes


Integrated into the rear dropouts, the post mount uses half of the hardware of a normal brake mounting system and creates a stronger structure that reduces braking harmonics.


360 Lock


Norco’s 360º Lock pivots employ a tapered collet insert that, when the pivot hardware is tightened, expands to grip the inner race of the pivot bearing around the full 3600 of its inner diameter. This design creates a much stronger grip, prevents unwanted forces from acting on the bearing and prolongs bearing lifespan.


Gravity Tune Syntace Integrated Derailleur Hanger Tapered Head Tube Advanced Ride Technology Holloform Link Arm Post Mount Brakes
Intended Use
DH Race/Park
Travel
200mm
7.9in
Wheel Size
26"
Technologies

The Technology Inside the Aurum LE Framekit

Flip Dropout

Brand new for 2014, the proprietary Flip Dropout features a sturdy Flip Chip that adapts to the specific needs of the rider. Extended, the Flip Chip features an eyelet that functions as an additional mounting point for fenders. The Flip eyelet is intentionally set on a different plane than the primary eyelet to ensure maximum fender/rack compatibility. Retracted, the Flip Chip is hidden neatly out of the way.


Flip Dropout

Brand new for 2014, the proprietary Flip Dropout features a sturdy Flip Chip that adapts to the specific needs of the rider. Extended, the Flip Chip features an eyelet that functions as an additional mounting point for fenders. The Flip eyelet is intentionally set on a different plane than the primary eyelet to ensure maximum fender/rack compatibility. Retracted, the Flip Chip is hidden neatly out of the way.


Gravity Tune


With traditional frame designs, engineers adjust front-centre lengths for each frame size but use a single, fixed rear-centre length. This approach leaves riders of certain body types in a poor position when standing. Poor body position leads to uneven weight distribution and negatively affects traction, control and overall performance and ride characteristics. A simple solution to a complex problem, Gravity Tune fixes the front-centre/rear-centre ratio across all frame sizes, effectively optimizing geometry for every bike in the line. As a result, weight is always optimally distributed – regardless of rider height. Available only on Norco Bikes, Gravity Tune means equal ride characteristics and unrivalled control for all.


Syntace Integrated Derailleur Hanger


Proven to be substantially stiffer and less prone to damage than conventional derailleur hangers, the X-12 system ensures incredibly crisp and precise shifting. Each frame comes with a spare hanger bolt integrated into the frame for emergency trailside repairs.


Tapered Head Tube


Tapered head tubes provide three major benefits to riders: stiffness, responsiveness and durability. A wider head tube junction leaves room for a larger down tube, enabling engineers to create a stiffer, more efficient pedaling platform. The wider junction also enables us to use forks with stiffer, stronger fork crowns and steer tubes; these forks are less prone to flex, so riders experience enhanced responsiveness and control in the handling of the bike. Tapered head tubes also enable engineers to optimize headset bearings. Oversized 1 1/2” lower bearings are stronger and more durable, and they are better at dissipating loads and handling impacts. Smaller 1 1/8” upper bearings, which experience less load, are lighter. Combined, all of these tapered head tube benefits contribute to a more thrilling ride experience.


Power Chassis


Norco’s Power Chassis Design is the ultra-efficient power transfer system that gives our carbon road bikes their responsiveness and explo- sive acceleration. The Power Chassis is a complete pedaling platform designed to convert energy from a rider’s whole body into forward mo- mentum. The design begins at the tapered head tube and leads down through an oversized, down tube that creates an extremely stiff linkage between the front and back end of the bike. The down tube leads into an oversized, super-stiff bottom bracket shell designed to house the most efficient cranks available today. The oversized BB area then leads through to an especially broad set of chain stays, engineered to conduct energy directly from cranks through to the back wheel where they are converted into forward thrust.


Tapered Head Tube


Tapered head tubes provide three major benefits to riders: stiffness, responsiveness and durability. A wider head tube junction leaves room for a larger down tube, enabling engineers to create a stiffer, more efficient pedaling platform. The wider junction also enables us to use forks with stiffer, stronger fork crowns and steer tubes; these forks are less prone to flex, so riders experience enhanced responsiveness and control in the handling of the bike. Tapered head tubes also enable engineers to optimize headset bearings. Oversized 1 1/2” lower bearings are stronger and more durable, and they are better at dissipating loads and handling impacts. Smaller 1 1/8” upper bearings, which experience less load, are lighter. Combined, all of these tapered head tube benefits contribute to a more thrilling ride experience.


Applied Road Compliance


Norco’s performance road frames feature Advanced Road Compliance (ARC) technology, which optimizes the vertical compliance to lateral rigidity ratio for race and endurance applications. ARC seat stays are designed with a distinctive bow shape that works like micro-suspension to dampen fatiguing road vibrations. ARC technology enables us to maximize rider comfort without any sacrifice to the lateral stiffness that gives a high performance road bike its pedaling efficiency and explosiveness.

ARC Endurance: Seat stays are slender and feature a very pronounced bow shape that makes them extremely effective at dampening road vibrations. Chain stays are broad and stiff to ensure optimal pedaling efficiency, and they are engineered to be slightly longer to deliver a more stable ride experience.

ARC Race: Seat stays are slender and feature a less pronounced bow shape that still delivers effective road vibration dampening. Chain stays are broad and extremely stiff to deliver maximum pedaling efficiency, and they are engineered to be slightly shorter to deliver a highly responsive ride experience.


SmoothCore


Structurally speaking, the inside of a carbon frame is just as important as the outside. Norco’s SmoothCore process enables us to maintain precision control over all of the inner surfaces of our carbon frames, which is particularly critical at complicated, high-stress areas like the head tube and bottom bracket junctions. The secret to SmoothCore is our innovative mandrel system, which eliminates the possibility of wrinkling during the carbon fibre layup process and enables us to guarantee exceptionally smooth inner surfaces throughout the frame. Most importantly to the rider, SmoothCore greatly improves frame strength over conventional carbon layup processes. Norco’s 2013 carbon frames are the strongest and most resilient we’ve ever made, inside and out.


ArmorLite


Norco’s carbon frames are manufactured with only the highest quality materials, right down to the resin we use to hold everything together. Our superior quality ArmorLite resin produces an exceptionally strong bond that enhances frame strength, prevents damage and increases impact resistance. ArmorLite resin is so efficient that less of it is required – enabling us to produce carbon frames that are both stronger AND lighter than those manufactured using conventional resins.


Pressfit BB30


A PressFit 30 bottom bracket offers all of the stiffness benefits of a BB30 bottom bracket, and adds a few unique benefits of its own. With PressFit 30 bottom brackets, bearings are housed in nylon cups that are pressed directly into the BB shell. This eliminates the need for the aluminum sleeve used in traditional BB30 designs and therefore reduces overall weight. The PressFit 30 system also creates a better seal around bearings, increasing their lifespan and reducing the possibility of a blowout. PressFit 30 BBs are less prone to creaking than other BBs and are compatible with all BB30 cranksets.


Advanced Ride Technology


Advanced Ride Technology, or A.R.T., is the direct link between engineering and experience. More than a single suspension platform, A.R.T. is a system that we optimize for each intended use. Norco’s engineering team strategically manipulates pivot locations to precision-tune suspension kinematics, ensuring that every full suspension bike will excel in the environment it was designed for. For downhill applications, we increase rearward axle path for a more controlled ride over gnarly, unpredictable terrain. For cross-country we increase pedaling efficiency and small bump compliance for a faster, smoother ride. A.R.T. delivers four major benefits to riders: enhanced pedaling efficiency, increased square-edge bump compliance, improved braking performance and progressive suspension characteristics. These benefits are balanced in different proportions based on intended use, creating a ride experience unique to each model.

Enhanced Pedaling Efficiency
A.R.T. is designed to effectively manage chain growth to create anti-squat forces that counteract the forces responsible for suspension bob. The result is an incredibly efficient pedaling platform, superior power transfer and unmatched climbing ability.

Increased Square-Edge Bump Compliance
Rearward axle path describes the rear wheel’s trajectory as a bicycle moves through its travel. A.R.T. uses a pronounced rearward axle path that enables the wheel to travel both rearward and upward, up and out of the way of obstacles.

Improved Braking Performance
A pronounced rearward axle path also allows a bike’s suspension to remain fully active when pressure is applied to the brakes. A.R.T. delivers powerful, predictable braking with fully active suspension and superior traction at all times.

Progressive Suspension Characteristics
A.R.T. suspension uses a progressive leverage ratio curve, meaning that the forces required to engage the shock increase progressively as the shock moves through its travel. The first part of the stroke is very supple and effectively absorbs small to medium-sized impacts. Toward the end of the stroke, the shock becomes progressively stiffer, resulting in a ‘bottomless’ feel. To the rider, this progressive curve is experienced as consistent, predictable suspension at every point in the travel.


Holloform Link Arm


Norco’s Holloform linkarm is a hyper-rigid, one-piece linkarm that provides two distinct benefits to riders. First, it provides lateral support to the seat stays and stiffens the rear triangle, keeping the bike tracking straight and true through any terrain. Second, it prevents torsional forces from affecting the rear shock, reducing stiction and increasing shock life.


Post Mount Brakes


Integrated into the rear dropouts, the post mount uses half of the hardware of a normal brake mounting system and creates a stronger structure that reduces braking harmonics.


360 Lock


Norco’s 360º Lock pivots employ a tapered collet insert that, when the pivot hardware is tightened, expands to grip the inner race of the pivot bearing around the full 3600 of its inner diameter. This design creates a much stronger grip, prevents unwanted forces from acting on the bearing and prolongs bearing lifespan.


Specs Geometry Features & Benefits Media Reviews Compare Compare Compare Compare Compare
For more detailed specs and geometry, download our Spec Sheet

Frameset
Frame

Aurum LE 200 mm travel frame 

Fork

Fox 40 RC2 FIT Factory with Kashima coating 

Rear Shock

Fox DHX RC 4 coil with Kashima coating 

Wheels
Rims

Easton Havoc DH wheelset 

Tires

Magic Mary 26 x 2.35 w/ super gravity casing 

Tubes

 

Front Hub

Easton Havoc alloy DH UST front wheel 20 mm 

Rear Hub

Easton Havoc alloy DH UST rear wheel 157x12 

Spokes/Nipples

 

Drivetrain
Shifter Front

N/A 

Shifter Rear

Shimano Saint 10 speed right shifter lever 

Shifter Casing

Jagwire LEX housing 

Front Derailleur

 

Rear Derailleur

Shimano Saint short cage RD 

Cassette

Shimano Ultegra cassette 10 speed 11-28T 

Crankset

Race Face Six C crank Carbon 36T 83 mm bb 

Bottom Bracket

N/A 

Pedals

N/A 

Chain

Shimano XT HG94 10 speed chain 

Chain Tensioner

E-13 LG 1 +DMB guide with lower guard 

Components
Seat Post

SDG Micro X beam seatpost 30.9 mm 

Seat Post Clamp

Built into frame  

Saddle

SDG I Fly I beam saddle 

Headset

Cane Creek 40  

Headset Spacer

1x10 mm 2x5 mm 3 x 3 mm headset spacers  

Top Cap

Black alloy with Cane Creek logo 

Stem

Easton Havoc Bolt on direct mount stem 31.8 

Handlebar

Race Face Six C carbon 785 mm wide bar 

Grips

Ergon GA1 EVO  

Front Brake

Shimano Saint disc brake w/ 200 mm rotor 

Rear Brake

Shimano Saint disc brake w/ 200 mm rotor 

Brake Levers

N/A 

Brake Cable Casing

N/A 

Frameset
Frame

Aurum 1 200 mm travel frame 

Fork

Fox 40 R O/B 200 mm travel  

Rear Shock

Cane Creek double barrel coil spring 

Wheels
Rims

Spank Race 28 wheelset  

Tires

Maxxis Minion DHF 26 x 2.50 

Tubes

 

Front Hub

Spank Race 28 wheelset 20 mm front 

Rear Hub

Spank Race 28 wheelset 157 mm rear 

Spokes/Nipples

 

Drivetrain
Shifter Front

N/A 

Shifter Rear

Shimano Saint 10 speed right shifter lever 

Shifter Casing

Jagwire LEX housing 

Front Derailleur

 

Rear Derailleur

Shimano Saint short cage RD 

Cassette

Shimano Tiagra 12-28T 10 sp cassette 

Crankset

E-13 LG 1 single crank 36T 83 mm BB 

Bottom Bracket

N/A 

Pedals

N/A 

Chain

Shimano CN HG54 10 speed chain 

Chain Tensioner

E-13 LG 1 +DMB guide with lower guard 

Components
Seat Post

SDG Micro X beam seatpost 30.9 mm 

Seat Post Clamp

Built into frame  

Saddle

SDG I Fly I beam saddle 

Headset

Cane Creek 40  

Headset Spacer

1x10 mm 2x5 mm 3 x 3 mm headset spacers  

Top Cap

Black alloy with Cane Creek logo 

Stem

Spank Spike Director direct mount stem  

Handlebar

Spank Spike EVO 777 31.8 DH bar  

Grips

Ergon GA1 EVO  

Front Brake

Shimano Saint disc brake w/ 200 mm rotor 

Rear Brake

Shimano Saint disc brake w/ 200 mm rotor 

Brake Levers

N/A 

Brake Cable Casing

N/A 

Frameset
Frame

Aurum 2 200 mm travel frame 

Fork

Manitou Dorado Expert 200 mm travel 

Rear Shock

Fox Van RC coil spring 

Wheels
Rims

Sun Inferno 29 rim  

Tires

Maxxis High Roller II 26 x 2.40 

Tubes

 

Front Hub

Formula 20 mm front hub  

Rear Hub

Formula DH rear cassette disc hub 157 x 12 

Spokes/Nipples

Black stainless spokes 2.0  

Drivetrain
Shifter Front

N/A 

Shifter Rear

Shimano Zee 10 sp shifter  

Shifter Casing

Jagwire LEX housing 

Front Derailleur

 

Rear Derailleur

Shimano Zee Shadow Plus short cage 10 speed 

Cassette

Shimano Tiagra 12-28T 10 sp cassette 

Crankset

Race Face Respond DH w/83 mm BB and 36T 

Bottom Bracket

N/A 

Pedals

Alloy low profile flat MTB pedal w / steel pins 

Chain

KMC X-10 10 speed chain 

Chain Tensioner

E-13 LS 1+ guide 

Components
Seat Post

SDG Micro X beam seatpost 30.9 mm 

Seat Post Clamp

Built into frame  

Saddle

SDG I Fly I beam saddle 

Headset

FSA #57E-1 1.5" to 1-1/8"" " 

Headset Spacer

1x10 mm 2x5 mm 3 x 3 mm headset spacers  

Top Cap

Black alloy with no logo 

Stem

Spank Spike Director direct mount stem  

Handlebar

Spank Spike EVO 777 31.8 DH bar  

Grips

Ergon GA1 EVO  

Front Brake

Shimano Zee hydraulic disc brake 200 mm rotor 

Rear Brake

Shimano Zee hydraulic disc brake 200 mm rotor 

Brake Levers

N/A 

Brake Cable Casing

N/A 

Frameset
Frame

Aurum 3 200 mm travel frame 

Fork

Marzocchi 888 CR triple 200 mm travel 

Rear Shock

Fox Van R coil spring 

Wheels
Rims

Sun Inferno 29 rim  

Tires

Kenda Nevagal K1010 26 x 2.50 w/Stick E rubber 

Tubes

 

Front Hub

Formula alloy sealed bearing 20 mm  

Rear Hub

Formula DH rear cassette disc hub 157 x 12 

Spokes/Nipples

Black stainless spokes 2.0  

Drivetrain
Shifter Front

N/A 

Shifter Rear

Sram X-5 trigger 9 speed shifter  

Shifter Casing

Jagwire LEX housing 

Front Derailleur

 

Rear Derailleur

Sram X7 short cage 9 speed 

Cassette

Sram PG-950 11-28T 9 speed cassette 

Crankset

Race Face Respond DH w/83 mm BB and 36T 

Bottom Bracket

N/A 

Pedals

Alloy low profile flat MTB pedal w / steel pins 

Chain

KMC Z99 9 speed chain 

Chain Tensioner

E-13 LS 1+ guide 

Components
Seat Post

SDG Micro X beam seatpost 30.9 mm 

Seat Post Clamp

Built into frame  

Saddle

SDG I Fly I beam saddle 

Headset

FSA #57E-1 1.5" to 1-1/8"" " 

Headset Spacer

1x10 mm 2x5 mm 3 x 3 mm headset spacers  

Top Cap

Black alloy with no logo 

Stem

Spank Spike Director direct mount stem  

Handlebar

Spank Spoon 760 mm 31.8 mm DH bar  

Grips

Norco design lock on grip 

Front Brake

Avid Elixir 3 disc brake 200 mm rotor 

Rear Brake

Avid Elixir 3 disc brake 200 mm rotor 

Brake Levers

N/A 

Brake Cable Casing

N/A 

Frame

Aurum LE 200 mm travel frame  

Rear Shock

Fox DHX RC 4 coil with Kashima Coating 

Headset

Cane Creek angleset headset 

Top Cap

Black alloy with Cane Creek logo 

Seatpost

N/A 

Seatpost Clamp

Built into frame 

Axle

Syntace 157x12 

Touch Up Paint

 

Derailleur Hanger

 

Spare Parts

 

For more detailed specs and geometry, download our Spec Sheet

Geometry Diagram
 
 
S M L
 
Front Travel
200mm 200mm 200mm
 
Rear Travel
200mm 200mm 200mm
ST
Seat tube length, centre to centre
415 435 455
HA
Head tube Angle
63 63 63
ESA
Effective seat tube angle
71.9 71.4 71
ASA
Actual seat tube angle
61.4 61.4 61.4
TTH
Theoretical top tube length, horizontal
585 617 649
TTA
Actual top tube length
- - -
HT
Head tube length
110 110 110
FL
Fork length
568 568 568
BBR
Bottom bracket rise/drop
+3 +3 +3
BBH
Bottom bracket height
348 348 348
WB
Wheelbase
1160 1192 1224
RC
Rear Centre
420 425 430
FC
Front Centre
740 767 794
 
Reach
394 421 448
 
Stack
585 585 585
SOH
Stand over height
796 781.4 762.6
 
Crank Length
165 165 170
 
Bar Width
785/777 or 760 785/777 or 760 785/777 or 760
 
Stem Length
50 50 50
 
Seatpost Length
350 350 350
 
 
S M L
 
Front Travel
200mm 200mm 200mm
 
Rear Travel
200mm 200mm 200mm
ST
Seat tube length, centre to centre
415 435 455
HA
Head tube Angle
63 63 63
ESA
Effective seat tube angle
71.9 71.4 71
ASA
Actual seat tube angle
61.4 61.4 61.4
TTH
Theoretical top tube length, horizontal
585 617 649
TTA
Actual top tube length
- - -
HT
Head tube length
110 110 110
FL
Fork length
568 568 568
BBR
Bottom bracket rise/drop
+3 +3 +3
BBH
Bottom bracket height
348 348 348
WB
Wheelbase
1160 1192 1224
RC
Rear Centre
420 425 430
FC
Front Centre
740 767 794
 
Reach
394 421 448
 
Stack
585 585 585
SOH
Stand over height
796 781.4 762.6
 
Crank Length
165 165 170
 
Bar Width
785/777 or 760 785/777 or 760 785/777 or 760
 
Stem Length
50 50 50
 
Seatpost Length
350 350 350
 
 
S M L
 
Front Travel
200mm 200mm 200mm
 
Rear Travel
200mm 200mm 200mm
ST
Seat tube length, centre to centre
415 435 455
HA
Head tube Angle
63 63 63
ESA
Effective seat tube angle
71.9 71.4 71
ASA
Actual seat tube angle
61.4 61.4 61.4
TTH
Theoretical top tube length, horizontal
585 617 649
TTA
Actual top tube length
- - -
HT
Head tube length
110 110 110
FL
Fork length
568 568 568
BBR
Bottom bracket rise/drop
+3 +3 +3
BBH
Bottom bracket height
348 348 348
WB
Wheelbase
1160 1192 1224
RC
Rear Centre
420 425 430
FC
Front Centre
740 767 794
 
Reach
394 421 448
 
Stack
585 585 585
SOH
Stand over height
796 781.4 762.6
 
Crank Length
165 165 170
 
Bar Width
785/777 or 760 785/777 or 760 785/777 or 760
 
Stem Length
50 50 50
 
Seatpost Length
350 350 350
 
 
S M L
 
Front Travel
200mm 200mm 200mm
 
Rear Travel
200mm 200mm 200mm
ST
Seat tube length, centre to centre
415 435 455
HA
Head tube Angle
63 63 63
ESA
Effective seat tube angle
71.9 71.4 71
ASA
Actual seat tube angle
61.4 61.4 61.4
TTH
Theoretical top tube length, horizontal
585 617 649
TTA
Actual top tube length
- - -
HT
Head tube length
110 110 110
FL
Fork length
568 568 568
BBR
Bottom bracket rise/drop
+3 +3 +3
BBH
Bottom bracket height
348 348 348
WB
Wheelbase
1160 1192 1224
RC
Rear Centre
420 425 430
FC
Front Centre
740 767 794
 
Reach
394 421 448
 
Stack
585 585 585
SOH
Stand over height
796 781.4 762.6
 
Crank Length
165 165 170
 
Bar Width
785/777 or 760 785/777 or 760 785/777 or 760
 
Stem Length
50 50 50
 
Seatpost Length
350 350 350
 
 
S M L
 
Front Travel
200mm 200mm 200mm
 
Rear Travel
200mm 200mm 200mm
ST
Seat tube length, centre to centre
415 435 455
HA
Head tube Angle
63 63 63
ESA
Effective seat tube angle
71.9 71.4 71
ASA
Actual seat tube angle
61.4 61.4 61.4
TTH
Theoretical top tube length, horizontal
585 617 649
TTA
Actual top tube length
- - -
HT
Head tube length
110 110 110
FL
Fork length
568 568 568
BBR
Bottom bracket rise/drop
+3 +3 +3
BBH
Bottom bracket height
348 348 348
WB
Wheelbase
1160 1192 1224
RC
Rear Centre
420 425 430
FC
Front Centre
740 767 794
 
Reach
394 421 448
 
Stack
585 585 585
SOH
Stand over height
796 781.4 762.6
 
Crank Length
- - -
 
Bar Width
- - -
 
Stem Length
- - -
 
Seatpost Length
- - -
Norco 5 Point System
  1. Custom hydroformed aluminum frame: tubes are manipulated into precise, structurally superior shapes with strategic curves and tapers for added strength, weight savings and flowing lines.
  2. World Cup DH Race geometry: a 63° head tube angle, 348mm (13.7”) BB height and long wheelbase deliver unmatched stability at high speeds.
  3. Gravity Tune: optimal body position and weight distribution across all frame sizes means maximum traction and control for riders of all sizes.
  4. A.R.T. suspension: optimized for DH racing to deliver supremely confident high-speed descending, predictable braking through any terrain, square-edge bump compliance and bottomless feel.
  5. Holloform Linkarm: maximizes rear-end stiffness for superior tracking and response through the gnarliest terrain; ensures stiction-free shock stroke.

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