Slideshow Items

Explore further. Ride freer. An amazingly capable, versatile gravel road bike. Built for chasing horizons, exploring routes less travelled or accelerating your commute.
Details |
|
| Platform | Topstone Alloy |
| Model Name | Topstone 1 |
| Model Code | C15603U |
Frameset |
|
| Frame | Lightweight SmartForm C2 Alloy, 12x142 thru-axle, tapered headtube, BSA threaded BBm flat mount disc, StraightShot internal cable routing, multiple gear/bottle mounts |
| Fork | Topstone Carbon, 1-1/8" to 1.5" steerer, 55mm OutFront offset, flat mount disc, internal routing, 12x100 thru-axle, fender/gear mounts |
| Headset |
Integrated, 1-1/8" - 1.5"
|
Drivetrain |
|
| Rear Derailleur | Shimano GRX 820, Shadow RD+ |
| Front Derailleur | Shimano GRX 820, braze-on |
| Shifters | Shimano GRX 600, 12-speed |
| Chain | Shimano HG M7100, 12-speed |
| Crank | Shimano GRX 600, 46/30 |
| Rear Cogs | Shimano HG R7100, 11-34, 12-speed |
| Bottom Bracket | Shimano BSA 68 |
Brakes |
|
| Brakes | Shimano GRX 600 hydraulic disc, 160/160mm RT64 rotors |
| Brake Levers |
Shimano GRX 600 hydraulic disc
|
Wheels |
|
| Rims | WTB ST i23 TCS, 700c, 28h, tubeless ready |
| Spokes | Stainless Steel, 14g |
| Tires | WTB Riddler TCS Light, 700x37c, tubeless ready (Europe/UK - Vittoria Terreno Dry, 700x35c, foldable) |
| Tire Size | 37 |
| Wheel Size | 700c |
| Hubs | (F) Formula cartridge bearing, 12x100mm, centerlock / (R) Formula cartridge bearing, 12x142mm, centerlock |
Components |
|
| Handlebar | Cannondale 3, butted 6061 Alloy, 16 deg flare drop |
| Stem | Cannondale 3, 6061 Alloy, 31.8, 7° |
| Grips | Cannondale Bar Tape, 3.5mm |
| Saddle | Fizik Aliante Delta, S-alloy rails |
| Seatpost | Cannondale 3, 6061 Alloy, 27.2 x 350mm |
Carousel items
Recently view items
You cart is currently empty