Our DownLow dropper post is an infinitely adjustable, easily serviceable, air/hydraulic unit with a sweet cable remote. It goes up. It goes down. You need one. ˓ Travel: 100mm, 125mm, 150mm, 170mm ˓ Diameter: 31.6 ˓ 1x DownLow remote included ˓ Band clamp and MatchMaker mounts included ˓ Internal routing ˓ Offset: 0mm ˓ Compatible with round, oval, and both metal and carbon rails.