RELIABLE: Precisely machined cartridge with fully sealed air and oil. Very reliable. Fit Seat Tube Diameter: Options: 30.9mm 31.6mm. Length: 396mm. Travel: 125mm.
LIGHT: Weight : 577g=1.27lbs ONLY. Lighter compared with other standard dropper seatposts. Max. insert: 175mm. Min. insert: 100mm. Remote adjustment control.