Deda Elementi Superleggero 25mm Setback Seat PostThis stunning seat post is engineered for road use as it offers amazing reliability and strength on your road bike adventures. It features a unidirectional carbon construction which allows you to benefit from its impressive stiffness without adding any excess grams to your ride. Deda has also installed a one-bolt clamp system to this version which allows for fast and easy assembly. This makes it a highly-efficient choice of upgrade for riders who want a firm hold on every ride. Features: Material: Unidirectional CarbonUse: RoadSetback: 25mmBolt: 1-bolt clamp systemRail Compatibility: Ø7x9.5mm Oval-shaped Carbon railsDi2 Compatibility: Compatible with Deda adaptor for Di2 internal batteryWeight: 175g (approx)Buy Deda Components from Chain Reaction Cycles, the World's Largest Online Bike Store.