Explore further. Ride freer.
An amazingly capable, versatile gravel road bike. Built for chasing horizons, exploring routes less travelled or accelerating your commute.
Where it thrives
Gravel roads, out in the elements
What it’s built for
Traction, handling, comfort
Highlights
- Lightweight SmartForm C2 Alloy frame w/ full carbon fork
- Shimano GRX 400 10-speed gravel group
- WTB ST i23 TCS rims
Amazingly capable
Straightforward, reliable and a whole hell of a lotta fun, the Topstone Alloy is a gravel bike crafted for those with a taste for adventure – and value. Roll light and free, or load it up for a long haul, Topstone’s comfortable ride, confident handling and up-for-anything capability make it the perfect partner on any road, anywhere.
Easy to Live With. Easy to Love. Everything on the Topstone is designed for simplicity, ease of use and compatibility. Whether you’re setting out on a big ride or taking the long way to work – less down time, more ride time.
Specs
DETAILS
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Platform
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Model NameTopstone 2
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Model CodeC15702U
FRAMESET
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FrameLightweight SmartForm C2 Alloy, 12×142 thru-axle, tapered headtube, BSA threaded BBm flat mount disc, StraightShot internal cable routing, multiple gear/bottle mounts
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ForkTopstone Carbon, 1-1/8″ to 1.5″ steerer, 55mm OutFront offset, flat mount disc, internal routing, 12×100 thru-axle, fender/gear mounts
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HeadsetIntegrated, 1-1/8″ – 1-1/2″
DRIVETRAIN
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Rear DerailleurShimano GRX 400, Shadow RD+
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Front DerailleurShimano GRX 400, braze-on
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ShiftersShimano GRX 400, 10-speed
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ChainKMC X10, 10-speed
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CrankFSA Omega AGX+ Alloy, 46/30
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Rear CogsShimano HG500, 11-34, 10-speed
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Bottom BracketFSA Cartridge
BRAKES
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BrakesShimano GRX 400 hydraulic disc, 160/160mm RT54 rotors
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Brake LeversShimano GRX 400 hydraulic disc
WHEELS
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RimsWTB ST i23 TCS, 28h, tubeless ready
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SpokesStainless Steel, 14g
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TiresWTB Riddler TCS Light, 700 x 37c, tubeless ready (Europe/UK – Vittoria Terreno Dry, 700 x 37c)
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Tire Size37
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Wheel Size700c
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Hubs(F) Formula cartridge bearing, 12x100mm centerlock / (R) Formula cartridge bearing, 12x142mm centerlock
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Front TireWTB Riddler TCS Light, 700 x 37c, tubeless ready (Europe/UK – Vittoria Terreno Dry, 700 x 37c)
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Rear TireWTB Riddler TCS Light, 700 x 37c, tubeless ready (Europe/UK – Vittoria Terreno Dry, 700 x 37c)
COMPONENTS
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HandlebarCannondale 3, butted 6061 Alloy, 16 deg flare drop
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StemCannondale 3, 6061 Alloy, 31.8, 7°
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GripsCannondale Bar Tape, 3.5mm
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SaddleFizik Aliante Delta, S-alloy rails
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SeatpostCannondale 3, 6061 Alloy, 27.2 x 350mm
EXTRA
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Extra 1Removable fender bridge
WEIGHT: XS, SM, MD, LG, XL – BIKE AND FRAME WEIGHTS MAY VARY IN FINAL PRODUCTION.
PLEASE NOTE THAT, BASED ON COMPONENT AVAILABILITY AND OTHER FACTORS, SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE.
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