Nothing is impassable The best gravel bike for gravel roads to single trails. With the grip and comfort of the KingPin suspension, nothing is impassable. Where success is born Gravel roads and field paths, rough asphalt, trails What it was built for Gravel biking, exploring side roads, bikepacking, and off-road adventures Highlights Lightweight Topstone Carbon frame set with KingPin suspension system, compatible with SmartSense / Integrated connectivity with Cannondale app Shimano GRX 800/600 11-speed gravel groupset WTB ST i23 TCS rims / 700 x 45C WTB Riddler TCS Light tires Details Platform Topstone Carbon Model Topstone Carbon 3 Model number C15372U Frame set Frame Topstone Carbon, Kingpin suspension system, SmartSense compatible, Proportional Response construction, 12x142mm thru-axle, 27.2 dropper post ready, BSA 68mm threaded BB, DirectLine internal cable routing, removable fender bridge, multiple gear/bottle mounts Fork Topstone Carbon, 1-1/8″ to 1.5″ steerer, 55mm OutFront offset, flat mount disc, internal routing, 12×100 thru-axle, triple bottle/gear mounts, fender mounts Headset Integrated, 1-1/8″ – 1.5″ Drivetrain Rear Derailleur Shimano GRX 810, Shadow RD+ Front Derailleur Shimano GRX 810, braze-on Shifters Shimano GRX 600, 11-speed Chain Shimano HG601, 11-speed Crankset Shimano GRX 600, 46/30 (Europe/UK – FSA Gossamer Pro Modular AGX+, 46/30) Cassette Shimano HG700, 11-34, 11-speed Bottom Bracket Shimano BSA 68 Brakes Brakes Shimano GRX 600 hydraulic disc, 160/160mm RT64 rotors Brake Levers Shimano GRX 600 hydraulic disc Wheels Rims WTB ST i23 TCS, 700c, 28h, tubeless ready Spokes Stainless Steel, 14g Tires WTB Riddler TCS Light, 700x45c, tubeless ready (Europe/UK – Vittoria Terreno Dry 700x38c ANT tubeless compatible) Tire size 45 Tire dimension 700c Hubs (F) Formula cartridge bearing, 12x100mm centerlock / (R) Formula cartridge bearing, 12x142mm centerlock Front Tire WTB Riddler TCS Light, 700x45c, tubeless ready (Europe/UK – Vittoria Terreno Dry 700x38c ANT tubeless compatible) Rear Tire WTB Riddler TCS Light, 700x45c, tubeless ready (Europe/UK – Vittoria Terreno Dry 700x38c ANT tubeless compatible) Components Handlebar Cannondale 3, butted 6061 Alloy, 16 deg flare drop Stem Cannondale 3, 6061 Alloy, 31.8, 7° Grips Fizik Solocush Soft, 3mm Saddle Fizik Aliante Delta, S-alloy rails Seatpost Cannondale 3, 6061 Alloy, 27.2x350mm Wheel Sensors Cannondale Wheel Sensor Extras Extra 1 StrapRack tool/stuff holder