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 Sora 9-speed shifting Powerful disc brakes 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. Specs DETAILS Platform Topstone Alloy Model Name Topstone 3 Model Code C15802U FRAMESET Frame 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 Headset Integrated, 1-1/8" - 1.5" DRIVETRAIN Rear Derailleur Shimano Sora GS Front Derailleur Shimano Sora GS Shifters Shimano Sora, 9-speed Chain KMC Z9, 9-speed Crank FSA Tempo Adventure, 46/30 Rear Cogs Sunrace, 11-34, 9-speed Bottom Bracket Cartridge, square taper BRAKES Brakes Promax Decoder R mechanical disc, 160/160mm rotors Brake Levers Shimano Sora WHEELS Rims GXD 1.0, 28h Spokes Stainless Steel, 14g Tire Size 37 Wheel Size 700c Hubs (F) Formula alloy, 12x100mm / (R) Formula alloy, 12x142mm Tires WTB Riddler Comp, 700x37c (Europe/UK - Vittoria Terreno Dry, 700x37c) Front Tire WTB Riddler Comp, 700x37c (Europe/UK - Vittoria Terreno Dry, 700x37c) Rear Tire WTB Riddler Comp, 700x37c (Europe/UK - Vittoria Terreno Dry, 700x37c) COMPONENTS Handlebar Cannondale 3, butted 6061 Alloy, 16 deg flare drop Stem Cannondale 3, 6061 Alloy, 31.8, 7° Grips Cannondale Bar Tape, 3.5mm Saddle Fizik Aliante Delta, S-alloy rails Seatpost Cannondale 4, 6061 Alloy, 27.2x350mm EXTRA Extra 1 Removable fender bridge Geometry