**Details** **Platform** Topstone Alloy **Model** Topstone 2 C15702U **Model Number** C15702U **Frame Set** **Frame** Topstone, lightweight SmartForm C2 Alloy, 12x142 thru-axle, tapered headtube, BSA threaded BB, 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 GRX 400, Shadow RD+ **Front Derailleur** Shimano GRX 400 **Shifters** Shimano GRX 400, 10-speed **Chain** KMC X10, 10-speed **Crankset** FSA Omega AGX+ Alloy, 46/30 **Cassette** Shimano HG500, 11-34, 10-speed **Bottom Bracket** FSA Cartridge **Brakes** **Brakes** Shimano GRX 400 hydraulic disc, 160/160mm RT54 rotors **Brake Levers** Shimano GRX 400 hydraulic disc **Wheels** **Rims** WTB ST i23 TCS, 28h, tubeless ready **Spokes** Stainless Steel, 14g **Tire Size** 37 **Tire Dimension** 700c **Hubs** (F) Formula cartridge bearing, 12x100mm centerlock / (R) Formula cartridge bearing, 12x142mm centerlock **Tires** WTB Riddler, 700x37c (Europe/UK - Vittoria Terreno Dry, 700x37c) **Front Tire** WTB Riddler, 700x37c (Europe/UK - Vittoria Terreno Dry, 700x37c) **Rear Tire** WTB Riddler, 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 3, 6061 Alloy, 27.2x350mm **Extras** **Extra 1** Removable fender bridge