Great dropper post. Install is very easy. This post operates in 3 positions only: Climb - full extension, Trail - 40mm drop, Descend - 100 or 125mm drop. It is not infinitely adjustable like a full hydraulic. The cable lever actuation is smooth and the post drops with minimal effort and has a adjustable pressure setting for the air chamber for return speed. You can mount the lever under or over the bar on either side. If you're running a single front ring the lever works nicely under the bar on the left. Stout two bolt saddle clamp is nice.