Cannondale Topstone Carbon 2 GRX Gravel Bike
The Cannondale Topstone Carbon 2 GRX Gravel Bike is the ultimate all-round gravel bike, designed to go anywhere, carry everything, and keep going. The lightweight full carbon frameset features Kingpin rear suspension, Proportional Response size-specific construction, and StashPort downtube storage for convenience on your journey.
Smooth and reliable shifting comes from Shimano’s 2×12-speed GRX820, their top-end mechanical gravel groupset. The WTB KOM Team wheelset, with Shimano hubs and WTB Riddler 45c gravel tyres, ensures a fast and durable ride.
Cannondale’s 2 carbon seatpost and 2 ShortDrop flared bar create a comfortable cockpit for long rides. The integrated Cannondale Wheel Sensor delivers hyper-accurate speed, distance, and route data, along with service reminders via the Cannondale App.
Technical Specification
| Frame | Topstone Carbon, Kingpin suspension system, Proportional Response construction, downtube Stashport, internal cable routing, 12x142mm thru-axle, 27.2 dropper post ready, UDH, BSA 68mm threaded BB, flat mount disc, removable fender bridge, multiple gear/bottle mounts |
| Fork | Topstone Carbon, 1-1/8″ to 1.5″ steerer, 55mm OutFront offset, flat mount disc, internal routing, 12×100 thru-axle, triple bottle/gear mounts, fender mounts |
| Headset | Acros IS52/40 ICR |
| Front Derailleur | Shimano GRX 820 |
| Rear Derailleur | Shimano GRX 820, Shadow RD+ |
| Shifters | Shimano GRX 820, 12-speed |
| Chain | Shimano M8100, 12-speed |
| Crank | Shimano GRX 820, 48/31 |
| Rear Cogs | Shimano Ultegra R8100, 11-34, 12-speed |
| Brakes | Shimano GRX 820 hydraulic disc, 160/160mm MT800 rotors |
| Brake Levers | Shimano GRX 820 hydraulic disc |
| Hubs | Front – Shimano TC500, 12x100mm centerlock / Rear – Shimano TC500, 12x142mm centerlock |
| Rims | WTB KOM Team i25 TCS, 28h, tubeless ready |
| Spokes | Stainless Steel, 14g |
| Tyres | WTB Riddler TCS Light, 700x45c, tubeless ready |
| Handlebar | Cannondale 2 ShortDrop, 7050 alloy, 12° flare drop |
| Grips | Cannondale KnurlCork, 2.7mm |
| Stem | Cannondale C1 Conceal, Alloy, 31.8, -6° |
| Saddle | Fizik Terra Argo X7 |
| Seatpost | Cannondale 2 Carbon, 27.2x350mm (47-58), 400mm (61) |
| Extras | Large StashBag downtube storage bag, tubeless valve stems |
| Size | 47cm, 51cm, 54cm, 56cm, 58cm, 61cm |
|---|---|
| Color | Black |





























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