Superzero seatpost with a carbon monocoque construction for a very light weight. The 2-bolts head clamp system has been completly re-designed for a quick and precise saddle adjustment. Key Features:Material: UD full carbon construction,Diameter: 27.2 and 31.6mm,Length: 350mm,Setback: 25mm,Finish: Team / Polish On Black,Weight:215g (31.6mm),. Compatible with Deda adapter for DI2 internal battery