The Specialized Command Post WU dropper post uses a unique mechanism to tilt the saddle nose up as the post moves through its travel, resulting in 150 millimetres of effective drop. Having the nose of the saddle tilt in different positions ensures that you get the proper body position with the saddle in a dropped position. This increased effective drop, along with the 14 distinct height options that come with the Specialized Cruiser Control technology, makes for a more enjoyable ride, whether youre climbing or descending. Features Unique "WU" mechanism tilts the saddle 14 degrees nose up, allowing for longer effective saddle drop. Mechanical locking Cruiser Control technology has 14 distinct positions. Lightweight aluminium micro adjustable head. Dual-keyway system eliminates saddle wiggle. Triple-lip wiper prevents dirt & water contamination. 34.9mm seatpost diameter. 150mm effective drop.