Details
Explore further. Ride freer.
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
Highlights:
- Lightweight SmartForm C2 Alloy frame w/ full carbon fork
- Shimano GRX 820/600 12-speed gravel group
- Shimano GRX 600/400 hydraulic disc brakes
- WTB ST i23 TCS tubeless ready rims with Riddler 700x37c tires
Amazingly capable
Straightforward, reliable and a whole hell of a lotta fun, the Topstone Alloy is a gravel bike crafted for those with a taste for adventure – and value. Roll light and free, or load it up for a long haul, Topstone’s comfortable ride, confident handling and up-for-anything capability make it the perfect partner on any road, anywhere.
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.
XS | 4'10" | 5'5" |
---|---|---|
SM | 5'3" | 5'9" |
MD | 5'7" | 6'1" |
LG | 5'10" | 6'4" |
XL | 6'0" | 6'8" |
Specs
Fork | Topstone Carbon, 1-1/8" to 1.5" steerer, 55mm OutFront offset, flat mount disc, internal routing, 12x100 thru-axle, fender/gear mounts |
---|---|
Hubs | (F) Formula cartridge bearing, 12x100mm centerlock / (R) Formula cartridge bearing, 12x142mm centerlock |
Rims | WTB ST i23 TCS, 28h, tubeless ready |
Chain | Shimano HG M7100, 12-speed |
Frame | Lightweight SmartForm C2 Alloy, 12x142 thru-axle, tapered headtube, BSA threaded BBm flat mount disc, StraightShot internal cable routing, multiple gear/bottle mounts |
Tires | WTB Riddler TCS Light, 700x37c, tubeless ready (Europe/UK - Vittoria Terreno Dry, 700x35c, foldable) |
Brakes | Shimano GRX 400 hydraulic disc, 160/160mm RT64 rotors |
Saddle | Fizik Aliante Delta, S-alloy rails |
Spokes | Stainless Steel, 14g |
Headset | Integrated, 1-1/8" - 1.5" |
Crankset | Shimano GRX 600, 46/30 |
Seatpost | Cannondale 3, 6061 Alloy, 27.2x350mm |
Shifters | Shimano GRX 600, 12-speed |
Tape/Grips | Cannondale Bar Tape, 3.5mm |
Brake Levers | Shimano GRX 600 hydraulic disc |
Rear Derailleur | Shimano GRX 820, Shadow RD+ |
Front Derailleur | Shimano GRX 820 |
Stem | Cannondale 3, 6061 Alloy, 31.8, 7° |
Handlebars | Cannondale 3, butted 6061 Alloy, 16 deg flare drop |
Bottom Bracket | Shimano BSA 68 |
Pedals | Sold Separately |
* Subject to change without notice.
Part Numbers
Option | UPC | MPN | Store SKU |
---|---|---|---|
Gunmetal Green / Large / 700c | 884603978672 | C15603U10LG | |
Gunmetal Green / Medium / 700c | 884603978665 | C15603U10MD | |
Gunmetal Green / Small / 700c | 884603978658 | C15603U10SM | |
Gunmetal Green / X-Small / 700c | 884603978641 | C15603U10XS | |
Gunmetal Green / X-Large / 700c | 884603978689 | C15603U10XL | 210000045001 |