Bikes2021RoadCyclocrossThresholdThreshold A1

Threshold A1

$2,299.00

The stiff, lightweight Threshold A1 delivers podium-seeking cyclocross speed and will have you wondering how one hour can take so long, but hurt so good.

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This size is currently sold out online, and new stock is expected to arrive in #eta_date#.
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This size is currently sold out online.
Check with your local dealer for in-store availability.

Professional assembly included with every order - Norco is pleased to announce that customers can now purchase bikes directly from Norco.com and have them shipped to the Authorized Norco Dealer of their choice for professional assembly and pick up. Here's how it works.

Threshold A1

$2,299.00

Learn More

Threshold A1

It shouldn’t come as a surprise that the rugged landscape and abundant precipitation of Canada’s Pacific Coast is the ultimate place to develop and perfect a carbon fibre cyclocross bike. It helped us engineer the Threshold C’s mid-modulus carbon frame & fork with ample mud clearance and shock dissipation with size-scaled tubing, ovalized seatstays and bent chainstays for maximum CX performance.

The Threshold A1 features a Shimano GRX wide-range 11-speed drivetrain and hydraulic disc brakes with internally routed cables, so they won’t get clogged with mud after a lap in the sticky mud and snow. Shimano thru axle hubs are laced to WTB KOM Light i21 TCS Tubeless Ready rims, which support fast, sturdy Schwalbe X-One 33mm knobbies.

Explore the features and benefits of the Threshold

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2021

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Threshold C Frame/Fork

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Specifications

Frameset

Frame

X6 Butted Aluminum, Smooth Welds

Fork

Mid-Modulus Carbon

Headset

Integrated Sealed Cartridge Bearing

Drivetrain

Shifter Front

Shimano GRX BL-RX600

Shifter Rear

Shimano GRX ST-RX600, 11 speed

Rear Derailleur

Shimano GRX RD-RX812

Cassette

Shimano SLX CS-M7000 11-40T

Chain

KMC X11

Crankset

Praxis Alba M24 40T

Bottom Bracket

Praxis M24 Threaded

Components

Handlebar

Norco Flare Aluminum, 10 deg Flare

Bar Tape

Norco Griptacular Shockproof

Stem

Norco SL Aluminum

Seat Post

Norco SL Aluminum

Seat Post Clamp

Alluminum

Saddle

Norco SL Race, Chromo Rails

Front Brake

Shimano GRX BR-RX400 Hydraulic Disc

Rear Brake

Shimano GRX BR-RX400 Hydraulic Disc

Brake Levers

Shimano GRX RX600 Hydraulic

Wheels

Front Hub

Shimano HB-RS470 12x100mm TA

Rear Hub

Shimano FH-RS470 12x142mm TA

Rims

WTB ST i21 TCS 2.0 - Black

Spokes/Nipples

Stainless 14g, Black

Front Tire

Schwalbe X-One, 700 x 33c, Folding

Rear Tire

Schwalbe X-One, 700 x 33c, Folding

Rear Hub Skewer

QR 12x142mm TA

Front Hub Skewer

QR 12x100mm TA

Due to Covid-related scheduling and component availability challenges, Bike Specifications are subject to change without notice. Specifications may not be exactly as shown in photo.

Geometry

700c

Frame Size:	48	50.5	53	55.5	58	60.5
Reach:	370	374	379	386	395	404	370	374	379	386	395	404
Stack:	523	537	553	570	588	608	523	537	553	570	588	608
Head Tube Angle:	70.00	70.50	71.25	72.00	72.25	72.50	70.00	70.50	71.25	72.00	72.25	72.50
Fork Offset:	51	51	48	48	48	48	51	51	48	48	48	48
Seat Tube Length:	480	505	530	555	580	605	480	505	530	555	580	605
Effective Seat Tube Angle:	75.00	74.50	74.00	73.50	73.25	73.00	75.00	74.50	74.00	73.50	73.25	73.00
Rear Centre Length:	420.0	420.0	422.5	422.5	425.0	425.0	420.0	420.0	422.5	422.5	425.0	425.0
Bottom Bracket Rise/Drop:	-70.0	-70.0	-70.0	-70.0	-68.5	-68.5	-70.0	-70.0	-70.0	-70.0	-68.5	-68.5
Bottom Bracket Height:	275.0	275.0	275.0	275.0	276.5	276.5	275.0	275.0	275.0	275.0	276.5	276.5
Horizontal Top Tube:	510.0	522.5	537.5	555.0	572.5	590.0	510.0	522.5	537.5	555.0	572.5	590.0
Wheel Base:	1003	1007	1010	1016	1032	1044	1003	1007	1010	1016	1032	1044
Stand Over:	701	724	746	769	794	817	701	724	746	769	794	817
Head Tube Length:	105.0	117.5	130.0	145.0	165	185.0	105.0	117.5	130.0	145.0	165	185.0
Trail:	71	68	66	62	60	58	71	68	66	62	60	58
Stem Length:	90	90	100	100	110	110	90	90	100	100	110	110
Crank Length:	170.0	170.0	172.5	172.5	175.0	175.0	170.0	170.0	172.5	172.5	175.0	175.0
Tire Size:	35c						35c	35c	35c	35c	35c	35c

Recommended sizing

Warranty & Support

Downloads

Service Parts Reference

Spécifications Techniques (FR)

Owners Manual

Warranty Information

OTHER MODELS IN THIS SERIES

2021

Compare

Threshold C Frame/Fork

$2,199.00

Threshold A1

Learn More

Threshold A1

OTHER MODELS IN THIS SERIES

Threshold C Frame/Fork

Specifications

Specifications

Geometry

Geometry

Recommended sizing

Warranty & Support

Downloads

OTHER MODELS IN THIS SERIES

Threshold C Frame/Fork

Norco Bicycles

Service & Support