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
Lightweight SmartForm C2 Alloy frame w/ full carbon fork
Shimano GRX 800/600 11-speed gravel group
WTB ST i23 TCS rims
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.
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 waterbottle mounts on the frame and fork, Topstone is ready to load up and go long.
|X-Small||4'10" - 5'5"|
|Small||5'3" - 5'9"|
|Medium||5'7" - 6'1"|
|Large||5'10" - 6'4"|
|X-Large||6'0" - 6'8"|
|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|
|Frame||Lightweight SmartForm C2 Alloy, 12x142 thru-axle, tapered headtube, BSA threaded BBm flat mount disc, StraightShot internal cable routing, multiple gear/bottle mounts|
|Brakes||Shimano GRX 400 hydraulic disc, 160/160mm RT54 rotors|
|Spokes||Stainless Steel, 14g|
|Headset||Integrated, 1-1/8" - 1.5"|
|Crankset||Shimano GRX 600, 46/30 (Europe/UK - FSA Gossamer Pro Modular AGX+, 46/30)|
|Seatpost||Cannondale 3, 6061 Alloy, 27.2x350mm|
|Shifters||Shimano GRX 600, 11-speed|
|Handlebars||Cannondale 3, butted 6061 Alloy, 16 deg flare drop|
|Tape/Grips||Cannondale Bar Tape, 3.5mm|
|Brake Levers||Shimano GRX 600 hydraulic disc|
|Rear Derailleur||Shimano GRX 810, Shadow RD+|
|Front Derailleur||Shimano GRX 800, braze-on|
|Accessories & Extras||Removable fender bridge|
|Cassette/Freewheel||Shimano 105, 11-34, 11-speed|
* Subject to change without notice.
|Mercury / Small / 700c||884603931370||C15602U10SM||163-3318+02|
|Mercury / Medium / 700c||884603931387||C15602U10MD||163-3318+03|
|Mercury / Large / 700c||884603931394||C15602U10LG||163-3318+04|