Cable-actuated under-bar lever compatible with MatchMaker and Shimano I-Spec II. Infinitely adjustable air-sprung hydraulic locking cartridge with 20 percent reduction in compression force. Pierced head design allows riders to run longer travel post with shorter overall lengths. 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.