Topstone 2 GRX - 2x Spruce Green
Pay for your purchase in four interest-free installments (due every two weeks).
Detail Information
Ultra-versatile alloy gravel bike with a carbon fork & Shimano GRX 400 10-speed groupset.
Explore further. Ride freer.
An amazingly capable, versatile gravel road bike. Built for chasing horizons, exploring routes less travelled or accelerating your commute.
Model Description
Two rings, endless possibilities. This Topstone is built to tackle the toughest gravel rides with Shimano GRX 400 2x10-speed shifting and a SmartForm C2 Alloy frame. With ample tire clearance and mounts for racks and gear, it’s engineered to meet the demands of adventurous riders and unpredictable routes.
What it's for
Gravel-riding, exploring, bikepacking, performance commuting
Highlights
- Lightweight SmartForm C2 Alloy frame w/ full carbon fork
- Reliably precise shifting from the Shimano GRX 400, wide-range, 2x10-speed gravel drivetrain
- Powerful, controllable braking from Shimano’s GRX400 hydraulic disc brakes
- Selle Royal SRX Open saddle balances supportive padding and a pressure-relieving central channel for performance comfort
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Platform
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Model NameTopstone 2 GRX - 2x
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Model CodeC15235U
Frameset
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FrameTopstone, lightweight 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 DerailleurShimano GRX 400, Shadow RD+
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Front DerailleurShimano GRX 400
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ShiftersShimano GRX 400, 10-speed
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ChainShimano HG54, 10-speed
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CrankShimano GRX 400 46/30
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Rear CogsShimano HG500, 11-32, 10-speed
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Bottom BracketShimano BSA 68
Brakes
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BrakesShimano GRX 400 hydraulic disc, 160/160mm RT30 centerlock rotors
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Brake LeversShimano GRX 400 hydraulic disc
Wheels
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Front HubShimano TC500, 12x100mm centerlock
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Rear HubShimano TC500, 12x142mm centerlock
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RimsGXD 1.0, 28h, 23mm internal width, tubeless ready
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SpokesStainless Steel, 14g
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Tire Size37
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Wheel Size700c
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TiresWTB Riddler TCS Light, 700x37c, tubeless ready
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Front TireWTB Riddler TCS Light, 700x37c, tubeless ready
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Rear TireWTB Riddler TCS Light, 700x37c, tubeless ready
Components
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HandlebarCannondale 3, butted 6061 Alloy, 16 deg flare drop: 400mm (XS), 420mm (SM-MD), 440mm (LG-XL)
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StemCannondale 3, 6061 Alloy, 31.8, 7°: 80mm (XS), 90mm (SM-MD), 100mm (LG-XL)
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GripsCannondale Knurl Cork, 2.7mm
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SaddleSelle Royal SRX Open
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SeatpostCannondale 3, 6061 Alloy, 27.2x350mm
Extra
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Extra 1Tubeless valves
Please note that, based on component availability and other factors, specifications are subject to change without notice.