Cannondale Topstone Carbon LTD GRX Di2 Gravel Bike The Cannondale Topstone Carbon LTD GRX Di2 Gravel Bike is the ultimate all-rounder, built for adventure with the versatility to go anywhere, carry everything, and keep going. Its lightweight full carbon frameset features Kingpin rear suspension and Proportional Response size-specific construction for a smooth and efficient ride. StashPort downtube storage adds practical on-the-go convenience, while a Cannondale SAVE carbon seatpost and Easton EC90 AX carbon handlebars enhance comfort on rough terrain. The Shimano GRX 825/820 electronic gravel groupset ensures precise, reliable shifting, while Reserve 40|44 GR carbon gravel wheels and Vittoria Terreno T30 45c tyres deliver a fast, durable, and aerodynamic setup. The integrated Cannondale Wheel Sensor provides hyper-accurate speed, distance, and route data, along with service reminders via the Cannondale App.