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
- microSHIFT Advent X, wide range 10-speed group
- Powerful disc brakes
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.
Wide Ranging Capabilities
Clearance for big 45mm tires lets you push further into the rough stuff, and enjoy more grip and comfort on every ride.
Specs
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" - 1.5"
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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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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TiresWTB Riddler Comp, 700x37c (Europe/UK - Vittoria Terreno Dry, 700x37c)
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Front TireWTB Riddler Comp, 700x37c (Europe/UK - Vittoria Terreno Dry, 700x37c)
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Rear TireWTB Riddler Comp, 700x37c (Europe/UK - Vittoria Terreno Dry, 700x37c)
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, 27.2x350mm
EXTRA
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Extra 1Removable fender bridge
Geometry
