Whether you're commuting or riding with your local club at the weekend, this inline seat post is designed for dependable performance. It features a UD (unidirectional) carbon construction, which makes it incredibly stiff when climbing as well as lightweight when descending. This makes it ideal for result-driven riders who want a road seat post which offers superior durability without any unnecessary weight. Coming complete with an adjustment screw on the seatpost head, this model also enables you to adjust your saddles inclination for a more comfortable ride.  Manufacturer Part Numbers: Polish on Black 350mm 27.2mm: DPS270PA Team 350mm 27.2mm: DPS270TA Team 350mm 31.6mm: DPS310TA Polish on Black 350mm 31.6mm: DPS310PA