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. 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 WTB Riddler Comp tires 700x37c Model Code C15802U Name Topstone 3 Category Road Platform Topstone Segment Gravel 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 Rear Shock Null Rims GXD 1.0 28h Hubs F Formula alloy 12x100mm / R Formula alloy 12x142mm Spokes Stainless Steel 14g Tires WTB Riddler Comp 700 x 37c Pedals Not included Crank FSA Tempo Adventure 46/30 Bottom Bracket Cartridge square taper Chain KMC Z9 9-speed Rear Cogs Sunrace 11-34 9-speed Front Derailleur Shimano Sora GS Rear Derailleur Shimano Sora GS Shifters Shimano Sora 9-speed Handlebar Cannondale 3 butted 6061 Alloy 16 deg flare drop Grips Cannondale Bar Tape 3.5mm Stem Cannondale 3 6061 Alloy 31.8 7° Headset Integrated 1-1/8' - 1-1/2' Brakes Promax Decoder R mechanical disc 160/160mm rotors Brake Levers Shimano Sora E-bike Display Null E-Bike Battery Null E-bike Charger Null E-bike Drive Unit Null Saddle Fizik Aliante Delta S-alloy rails Seatpost Cannondale 4 6061 Alloy 27.2 x 350mm Speeds 18 Weight   Sizes Available XS S M L XL Chain Device Null Connectivity Null Wheel Size 700c