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An amazingly capable, versatile gravel road bike. Built for chasing horizons, exploring routes less travelled or accelerating your commute.
Two rings, endless possibilities. This Topstone is built to tackle the toughest gravel rides with Shimano GRX 400 2x10-speed shifting and a SmartForm C2 Alloy frame. With ample tire clearance and mounts for racks and gear, it’s engineered to meet the demands of adventurous riders and unpredictable routes.
| Frame | Topstone, 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, fender/gear mounts |
| Rims/Wheels | GXD 1.0, 28h, 23mm internal width |
| Hubs | (F) Shimano TC500, 12x100mm centerlock / (R) Shimano TC500, 12x142mm centerlock |
| Spokes | Stainless Steel, 14g |
| Tires | WTB Riddler TCS Light, 700x37c, tubeless ready |
| Crankset | Shimano GRX 400 |
| Chainrings | 46/30 |
| Bottom Bracket | Shimano BSA 68 |
| Chain | Shimano HG54, 10-speed |
| Front Derailleur | Shimano GRX 400 |
| Rear Derailleur |
Shimano GRX 400, Shadow RD+
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Cassette/Rear Cogs
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Shimano HG500, 11-32, 10-speed |
| Shifters | Shimano GRX 400, 10-speed |
| Handlebars | Cannondale 3, butted 6061 Alloy, 16 deg flare drop |
| Stem | Cannondale 3, 6061 Alloy, 31.8, 7° |
| Brakes | Shimano GRX 400 hydraulic disc, 160/160mm RT30 centerlock rotors |
| Pedals | Sold Separately |
| Saddle | Selle Royal SRX Open |
| Seat Post | Cannondale 3, 6061 Alloy, 27.2x350mm |
Are you looking for more information? Reach out to Paul, and he'll get right back to you!