An amazingly capable, versatile gravel road bike. Built for chasing horizons, exploring routes less travelled or accelerating your commute.
Where it thrives: Gravel roads, out in the elements
What it’s built for: Traction, handling, comfort
FEATURES:
- Wide Ranging Capabilities: Clearance for big 45mm tires lets you push further into the rough stuff, and enjoy more grip and comfort on every ride.
- Easy to Live With. Easy to Love: Everything on the Topstone is designed for simplicity, ease of use and compatibility. Whether you’re setting out on a big ride or taking the long way to work – less down time, more ride time.
- Load Up. Roll Out: With plentiful gear and water bottle mounts on the frame and fork, Topstone is ready to load up and go long.
SPECS:
| Frame | Lightweight SmartForm C2 Alloy, 12×142 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, 12×100 thru-axle, fender/gear mounts |
| Rims/Wheels | WTB ST i23 TCS, 28h, tubeless ready |
| Hubs | (F) Formula cartridge bearing, 12x100mm centerlock / (R) Formula cartridge bearing, 12x142mm centerlock |
| Spokes | Stainless Steel, 14g |
| Tires | WTB Riddler TCS Light, 700 x 37c, tubeless ready (Europe/UK – Vittoria Terreno Dry, 700 x 35c, tubeless ready) |
| Crankset | Shimano GRX 600 |
| Chainrings | 46/30 |
| Bottom Bracket | Shimano BB-RS500 |
| Chain | KMC X11, 11-speed |
| Front Derailleur | Shimano GRX 800, braze-on |
| Rear Derailleur | Shimano GRX 810, Shadow RD+ |
|
Cassette/Rear Cogs |
Shimano 105, 11-34, 11-speed |
| Shifters | Shimano GRX 600, 11-speed |
| Handlebars | Cannondale 3, butted 6061 Alloy, 16 deg flare drop |
| Stem | Cannondale 3, 6061 Alloy, 31.8, 7° |
| Brake Levers | Shimano GRX 600 |
| Brakes | Shimano GRX 400 hydraulic disc, 160/160mm RT54 rotors |
| Saddle | Fizik Aliante Delta, S-alloy rails |
| Seat Post | Cannondale 3, 6061 Alloy, 27.2 x 350mm |
| Extras | N/A |









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