It just works A streamlined design with fewer moving parts and better seals makes for a dropper post that performs consistently and requires less maintenance. The updated Bontrager Line Dropper Post is easy to set up and now even easier to service. The cable-actuated hydraulic locking design provides proven functionality for bikes with internal routing. Product details Remote cable actuation with an ergonomically designed under-bar lever The air-sprung hydraulic locking cartridge offers infinite adjustability within dropping range A keyed chassis prevents rotation for a stable ride The 2-bolt rocker head with micro adjustment allows for easy saddle tilt adjustment Internal cable routing keeps housing tucked away and free from moving wheels Includes cable, housing and 1x under-bar remote lever On-Bar Universal Lever sold separately The frame must be compatible with internally routed seatpost routing