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Explore further. Ride freer. An amazingly capable, versatile gravel road bike. Built for chasing horizons, exploring routes less travelled or accelerating your commute.
Gravel roads, out in the elements
Traction, handling, comfort
Details |
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| Platform | Topstone Alloy |
| Model Name | Topstone 1 |
| Model Code | C15602U |
Frameset |
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| Frame | Lightweight SmartForm C2 Alloy, 12x142 thru-axle, tapered headtube, BSA threaded BBm flat mount disc, StraightShot internal cable routing, 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 |
Integrated, 1-1/8" - 1.5"
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Drivetrain |
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| Rear Derailleur | Shimano GRX 810, Shadow RD+ |
| Front Derailleur | Shimano GRX 800, braze-on |
| Shifters | Shimano GRX 600, 11-speed |
| Chain | KMC X11, 11-speed |
| Crank | Shimano GRX 600, 46/30 (Europe/UK - FSA Gossamer Pro Modular AGX+, 46/30) |
| Rear Cogs | Shimano 105, 11-34, 11-speed |
| Bottom Bracket | Shimano BB-RS500 (Europe/UK - FSA BB386 MegaEvo) |
Brakes |
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| Brakes | Shimano GRX 400 hydraulic disc, 160/160mm RT54 rotors |
| Brake Levers |
Shimano GRX 600 hydraulic disc
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Wheels |
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| Rims | WTB ST i23 TCS, 700c, 28h, tubeless ready |
| Spokes | Stainless Steel, 14g |
| Tires | WTB Riddler TCS Light, 700x37c, tubeless ready (Europe/UK - Vittoria Terreno Dry, 700x35c, tubeless ready) |
| Tire Size | 37 |
| Wheel Size | 700c |
| Hubs | (F) Formula cartridge bearing, 12x100mm, centerlock / (R) Formula cartridge bearing, 12x142mm, centerlock |
Components |
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| Handlebar | Cannondale 3, butted 6061 Alloy, 16 deg flare drop |
| Stem | Cannondale 3, 6061 Alloy, 31.8, 7° |
| Grips | Cannondale Bar Tape, 3.5mm |
| Saddle | Fizik Aliante Delta, S-alloy rails |
| Seatpost | Cannondale 3, 6061 Alloy, 27.2 x 350mm |
Extra |
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| Extra 1 | Removable fender bridge |
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