
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.
Clearance for big 45mm tires lets you push further into the rough stuff, and enjoy more grip and comfort on every ride.
Bike Spec
Details
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Platform
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Model NameTopstone 4
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Model CodeC15902U
Frameset
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FrameLightweight SmartForm C2 Alloy, 12x142 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, 12x100 thru-axle, fender/gear mounts
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HeadsetIntegrated, 1-1/8" - 1-1/2"
Drivetrain
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Rear DerailleurmicroSHIFT Advent X
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ShiftersmicroSHIFT Advent X, 10-speed
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ChainKMC X10, 10-speed
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CrankProwheel, Charm 40T
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Rear CogsmicroSHIFT, 11-48, 10-speed
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Bottom BracketCartridge, square taper
Brakes
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BrakesPromax Render R mechanical disc, 160/160mm rotors
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Brake LeversmicroSHIFT Advent X
Wheels
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RimsGXD 1.0, 28h
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SpokesStainless Steel, 14g
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TiresWTB Riddler Comp, 700 x 37c
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Tire Size37
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Wheel Size700c
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Hubs(F) Formula alloy, 12x100mm / (R) Formula alloy, 12x142mm
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Front TireWTB Riddler Comp, 700 x 37c
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Rear TireWTB Riddler Comp, 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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SaddleCannondale Stage CX
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SeatpostCannondale 4, 6061 Alloy, 27.2 x 350mm
Extra
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Extra 1Removable fender bridge