Cannondale Topstone Carbon 3 GRX Gravel 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 Details Platform Topstone Carbon Model Name Topstone Carbon 3 GRX - 1x Model Code C15195U Frameset 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 Drivetrain 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 Brakes Shimano GRX 610 hydraulic disc, 160/160mm RT70 rotors Brake Levers Shimano GRX 610 hydraulic disc Wheels 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 Components 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