2026 Cannondale Topstone Carbon 3 GRX - 1x Road Bike
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Product Description
2026 Cannondale Topstone Carbon 3 GRX - 1x Road Bike
Always Game
Our take on the ultimate all-round gravel bike. Go anywhere, bring everything and then keep on going.
Model Description
One chainring, endless possibilities. The Topstone 3 GRX - 1X delivers simplicity without sacrificing performance. A Shimano GRX610/820 blended group keeps shifting precise and reliable, while KingPin suspension takes the sting out of rough terrain. WTB tires keep you connected to the trail, making every ride a good one—whether it’s a quick lap or a full-day escapade.
What it's for
Gravel riding & racing, bikepacking, going hard and long on dirt or pavement
Highlights
•Lightweight full carbon frameset with Kingpin rear suspension, Proportional Response size-specific construction and StashPort downtube storage
•With a single chainring and wide-range SLX 12-speed cassette, this blend of Shimano’s top-end GRX820 and GRX610 gravel groups offers a killer performance value
•Durable, dependable WTB ST i25 rims, with Shimano hubs and WTB Riddler 45c gravel tires
•Cannondale 3 flared handlebars offer comfortable, gravel-friendly hand positions
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, 12x100 thru-axle, triple bottle/gear mounts, fender mounts |
| Headset | Acros IS52/40 ICR |
| Rear Derailleur | Shimano GRX 822, Shadow SGS |
| Shifters | Shimano GRX 610, 12-speed |
| Chain | Shimano M7100, 12-speed |
| Crank | Shimano GRX 610, 40T: 165mm (47cm), 170mm (51cm), 172.5 (54-56cm), 175mm (58-61cm) |
| Rear Cogs | Shimano SLX M7100, 10-51, 12-speed |
| Bottom Bracket | Shimano BSA 68 |
| Brakes | Shimano GRX 610 hydraulic disc, 160/160mm RT70 rotors |
| Brake Levers | Shimano GRX 610 hydraulic disc |
| Rims | WTB ST i25 TCS, 28h, tubeless ready |
| Spokes | Stainless Steel, 14g |
| Tire Size | 45 |
| Wheel Size | 700c |
| Hubs | (F) Shimano TC500, 12x100mm centerlock / (R) Shimano TC500, 12x142mm centerlock |
| Tires | WTB Riddler TCS Light, 700x45c, tubeless ready |
| Handlebar | Cannondale 3, butted 6061 Alloy, 16 deg flare, 120mm drop: 400mm (47cm), 420mm (51-54), 440mm (56-61cm) |
| Stem | Cannondale C1 Conceal, Alloy, 31.8, -6°: 70mm (47-51m), 80mm (54cm), 90mm (56-58cm), 100mm (61cm) |
| Grips | Cannondale KnurlCork, 2.7mm |
| Saddle | Selle Royal SRX Open |
| Seatpost | Cannondale 3, 6061 Alloy, 27.2x350mm |
| Extra | Extra 1 : Large StashBag downtube storage bag, tubeless valve stems |