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An amazingly capable, versatile gravel road bike. Built for chasing horizons, exploring routes less travelled or accelerating your commute.
Our take on the ultimate all-round gravel bike. Go anywhere, bring everything and then keep on going.
Smooth operator meets gravel grinder. A blended SRAM Apex AXS / GX Eagle AXS wide-range drivetrain ensures every shift is sharp, while KingPin suspension takes the edge off even the roughest tracks. The Topstone Carbon 2 AXS doesn’t care if the road is paved, gravel, or somewhere in between. It’s ready to haul gear, race friends, or chase sunsets—anywhere, any time.
Gravel riding & racing, bikepacking, going hard and long on dirt or pavement
Details |
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| Platform | Topstone Carbon |
| Model Name | Topstone Carbon |
| Model Code | C15165U |
Frameset |
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| 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
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Drivetrain |
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| Rear Derailleur | SRAM GX Eagle, T-Type |
| Shifters | SRAM Apex AXS, 12-speed |
| Chain | SRAM GX Eagle Transmission, 12-speed |
| Crank | SRAM Apex DUB Wide, 42T |
| Rear Cogs | SRAM XS-1270, 10-52, T-Type, 12-speed |
| Bottom Bracket | SRAM DUB BSA Road 68 Wide |
Brakes |
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| Brakes | SRAM Apex hydraulic disc, 160/160mm CenterLine centerlock rotors |
| Brake Levers | SRAM Apex AXS hydraulic disc |
Wheels |
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| Rims | WTB KOM Team i25 TCS, 28h, tubeless ready |
| Spokes | Stainless Steel, 14g |
| Tires | WTB Riddler TCS Light, 700x45c, tubeless ready |
| Tire Size | 45 |
| Wheel Size | 700c |
| Hubs | (F) Shimano TC500, 12x100mm centerlock / (R) Shimano TC500, 12x142mm centerlock |
Components |
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| Handlebar | Cannondale 2 ShortDrop, 7050 alloy, 12 deg flare drop |
| Stem | Cannondale C1 Conceal, Alloy, 31.8, -6° |
| Grips | Cannondale KnurlCork, 2.7mm |
| Saddle | Fizik Terra Argo X7 |
| Seatpost | Cannondale 2 Carbon, 27.2x350mm (47-58), 400mm (61) |
| Extra(s) | Large StashBag downtube storage bag, tubeless valve stems, SRAM AXS charger |
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