Featuring a new keyway system to prevent free-play in the post, the LEV Si represents the latest incarnation of affordable premium dropper performance. With its all alloy construction, micro-adjust head clamp and a variety of travel sizes, the LEV Si is ready for your next ride. Adjustable air spring cartridge Aluminum Post, Mast, and Saddle Clamp Microadjust aluminum head clamp LEV Si Dropper seatposts are adjustable up to 250lbs of pressure Remote sold separately