Mici urme de uzura dar fara alte defecte. Adaptor 27.2 - 30.8 Colour: black Material: aluminium Type of bike: ATB / MTB Diameter: 27.2 mm Seat post length: 300 mm Weight: approx. 350 g Handlebar diameter 25.4 mm The suspension seatpost is designed to give more comfort to the cyclist. Due to the springs, the cyclist does not get his saddle pressed against him with every bump. There are two different variants of seatpost suspension. One uses a parallelogram (like the PM-705N2), while the other uses a telescope operation. (Cushy series)