Deda Elementi Superzero 25mm Setback Seat PostThis stunning seatpost is engineered for fast-paced road use as it gives you outstanding comfort and support as you clock up the miles on your road bike. It features an awesome unidirectional carbon construction which allows it to produce a competitive strength to weight ratio. This means you'll benefit from its exceptional durability on longer journeys while its low weight profile shaves off valuable weight from your road bike. Features: Material: Unidirectional CarbonUse: RoadSetback: 25mmLength: 350mmRail Compatibility: Ø7x9.5mm Oval-shaped railsDi2 Compatibility: Compatibile with Deda adaptor for Di2 internal batteryPart Number: DPA316W (31.6mm version)Weight: 215g (approx)Buy Deda Components from Chain Reaction Cycles, the World's Largest Online Bike Store.