Platform: Topstone
Highlights
- Light, durable SmartForm C2 Alloy Frame w/ full carbon fork
- Shimano GRX 800/600 11-speed shifting
- Shimano GRX 400 hydraulic disc brakes
Where it thrives
Gravel roads, out in the elements
What it's built for
Traction, handling, comfort
Feel the light
Light and lively, smooth yet snappy. Topstone's SmartForm C2 Alloy construction showcases our decades of expertise in aluminum craftsmanship.
Full Carbon Fork
A full carbon fork with a tapered steerer and 12mm thru-axles delivers a light, comfortable and precise-steering front end.
OutFront Steering Geometry
Keeps the steering light and agile, while positioning the wheel further in front of the rider for stability and confidence on rougher stuff. Plus it reduces the chance of toe overlap on smaller sizes.
Dropper Ready
Built to accept an internally-routed 27.2 dropper seatpost, which shouldn’t really be a surprise on a bike that's this off-road capable.
Removable Fender Bridge
Bolts on when you want fenders, disappears when you don't.
Drivetrain
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Bottom BracketFSA Cartridge
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ChainKMC X11, 11-speed
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CrankFSA Omega AGX+ Alloy, 46/30
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Front DerailleurShimano GRX 800, braze-on
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Rear CogsShimano 105, 11-34, 11-speed
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Rear DerailleurShimano GRX 810, Shadow RD+
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ShiftersShimano GRX 600, 11-speed
Frameset
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ForkBallisTec Full Carbon, 1-1/8" to 1-1/4" steerer, 55mm OutFront offset, flat mount disc, internal routing, 12x100 thru axle
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FrameSmartForm C2 Alloy, 12x142 thru-axle, tapered headtube, flat mount disc, StraightShot internal cable routing, multiple gear/bottle mounts
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HeadsetIntegrated, 1-1/8" - 1-1/4"
Wheels
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Front HubFormula cartridge bearing, Centerlock, 12x100mm
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Rear HubFormula cartridge bearing, Centerlock, 12x142mm
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RimsWTB ST i23 TCS, 28h, tubeless ready
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SpokesStainless Steel, 14g
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Tire Size37
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TiresWTB Riddler TCS Light, 700 x 37c, tubeless ready
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Wheel Size700c
Brakes
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Brake LeversShimano GRX 600 hydraulic disc
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BrakesShimano GRX 400, hydraulic disc, 160/160mm RT54 rotors
Components
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GripsCannondale Bar Tape, 3.5mm
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HandlebarCannondale 3, butted 6061 alloy, 16 deg flare drop
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SaddleFabric Scoop Radius Sport, steel rails
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SeatpostCannondale 3, 6061 Alloy, 27.2 x 350mm
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StemCannondale 3, 6061 Alloy, 31.8, 7°
Measurements
Road Resist Wind
See Intake
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