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
- Cannondale Wheel Sensor delivers hyper-accurate speed, distance and route info, service reminders, and more via the Cannondale App
Specs
| 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
|
| Colour | Deep Teal |
| 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
|
| Shifter | Shimano GRX 610, 12-speed |
| Rear Derailleur | Shimano GRX 822, Shadow SGS |
| Cassette | Shimano SLX M7100, 10-51, 12-speed |
| Chain | Shimano M7100, 12-speed |
| Crankset | Shimano GRX 610, 40T |
| Handlebar | Cannondale 3, butted 6061 Alloy, 16 deg flare drop |
| Stem | Cannondale C1 Conceal, Alloy, 31.8, -6° |
| Headset | Acros IS52/40 ICR |
| Saddle | Selle Royal SRX Open |
| Seatpost | Cannondale 3, 6061 Alloy, 27.2x350mm |
| Brakes Front | Rear | Shimano GRX 610 hydraulic disc, 160/160mm RT70 rotors |
| Hubs | (F) Shimano TC500, 12x100mm centerlock / (R) Shimano TC500, 12x142mm centerlock |
| Wheelset | WTB ST i25 TCS, 28h, tubeless ready |
| Tyres Front | Rear | WTB Riddler TCS Light, 700x45c, tubeless ready |
| Spokes | Stainless Steel, 14g |
| Weight | 9.5kg |
| Accessories & Extras | Large StashBag downtube storage bag, tubeless valve stems |












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