OutFront Steering Geometry
Confident stability meets nimble agility. An extra long fork offset paired with a slack head angle keeps the steering light and lively, yet delivers unreal confidence at speed and in the rough stuff.
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Our take on the ultimate all-round gravel bike. Go anywhere, bring everything and then keep on going.
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.
Gravel riding & racing, bikepacking, going hard and long on dirt or pavement
Category | Details |
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Model Code | C15355U |
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 Rear Cogs: Shimano SLX M7100, 10-51, 12-speed |
BRAKES | Brakes: Shimano GRX 610 hydraulic disc, 160/160mm RT70 rotors Brake Levers: Shimano GRX 610 hydraulic disc |
WHEELS | Hubs: (F) Shimano TC500, 12x100mm centerlock / (R) Shimano TC500, 12x142mm centerlock Rims: WTB ST i25 TCS, 28h, tubeless ready Spokes: Stainless Steel, 14g Tires: WTB Riddler TCS Light, 700x45c, tubeless ready |
COMPONENTS | Handlebar: Cannondale 3, butted 6061 Alloy, 16° flare drop Grips: Cannondale KnurlCork, 2.7mm Stem: Cannondale C1 Conceal, Alloy, 31.8, -6° Saddle: Selle Royal SRX Open Seatpost: Cannondale 3, 6061 Alloy, 27.2x350mm |
Extras | Large StashBag downtube storage bag, tubeless valve stems |
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