Explore further. Ride freer.

An amazingly capable, versatile gravel road bike. Built for chasing horizons, exploring routes less travelled or accelerating your commute.

Pure gravel goodness. With the smooth-riding SmartForm C2 Alloy frame, the precise shifting of Shimano's upper tier GRX 2x12-speed gravel components, durable WTB rims and tires, and gear mounts galore, the Topstone 1 sets the standard for high performance versatility. Load up and head out.

Highlights
Lightweight SmartForm C2 Alloy frame w/ full carbon fork
Exceptionally precise and refined shifting from Shimano's upper-tier mechanical GRX 820/600 2x12-speed gravel group
Superb power and modulation from Shimano's GRX 600/400 hydraulic disc brakes
Rugged, reliable, WTB ST i23 TCS tubeless ready rims with Riddler 700x37c tires
Long distance comfort from Fizik's Aliante Delta saddle

Extras: Tubeless valves
Rahmen: Topstone, lightweight SmartForm C2 Alloy, 12x142 thru-axle, tapered headtube, BSA threaded BBm flat mount disc, StraightShot internal cable routing, multiple gear/bottle mounts
Kurbelsatz: Shimano GRX 600, 46/30
Innenlager: Shimano BSA 68
Gabel: Topstone Carbon, 1-1/8" to 1.5" steerer, 55mm OutFront offset, flat mount disc, internal routing, 12x100 thru-axle, fender/gear mounts
Kette: Shimano HG M7100, 12-speed
Bremsen: Shimano GRX 400 hydraulic disc, 160/160mm RT64 rotors
Bremshebel: Shimano GRX 600 hydraulic disc
Umwerfer vorne: Shimano GRX 820
Umwerfer hinten: Shimano GRX 820, Shadow RD+
Kassette: Shimano HG R7100, 11-34, 12-speed
Lenker: Cannondale 3, butted 6061 Alloy, 16 deg flare drop: 400mm (XS), 420mm (SM-MD), 440mm (LG-XL)
Steuersatz: Integrated, 1-1/8" - 1.5"
Griffe: Cannondale Bar Tape, 3.5mm
Nabe: (F) Formula cartridge bearing, 12x100mm centerlock / (R) Formula cartridge bearing, 12x142mm centerlock
Pedale: Not included
Reifen: WTB Riddler TCS Light, 700x37c, tubeless ready
Felgen: WTB ST i23 TCS, 28h, tubeless ready
Speichen: Stainless Steel, 14g
Schalthebel: Shimano GRX 600, 12-speed
Sattel: Fizik Aliante Delta, S-alloy rails
Sattelstütze: Cannondale 3, 6061 Alloy, 27.2x350mm
Lenkervorbau: Cannondale 3, 6061 Alloy, 31.8, 7°: 80mm (XS), 90mm (SM-MD), 100mm (LG-XL)