The Cannondale Topstone Carbon 3 GRX 1x is designed for riders who want to push beyond the limits of smooth roads. Its carbon frame is built with Kingpin suspension, a lightweight and efficient system that provides up to 30mm of rear compliance without the weight and complexity of traditional shocks. This smooths out bumps and vibrations, keeping you comfortable and in control over rough terrain. Cannondale Topstone Carbon ReviewKey Features:     Frame: Carbon with Kingpin suspension, StashPort storage, clearance for 45c tyres.     Fork: Carbon with 55mm OutFront offset, internal routing, and multiple mounts.     Drivetrain: Shimano GRX 610 & 822, 1x12-speed, wide-range gearing.     Brakes: Shimano GRX 610 hydraulic discs, 160mm RT70 rotors.     Wheels: WTB ST i25 TCS rims with Shimano TC500 hubs, tubeless ready.     Tyres: WTB Riddler 700x45c, tubeless-ready, versatile tread.     Standout Feature: Kingpin rear suspension for enhanced comfort and traction.     Finance: Available with 0