Out of stock Seatposts and seatclamps TranzX JD-YSP18 Dropper Seatpost Tranz-X tranzx_ysp18 €120.00 The TranzX adjustable seatpost equips air pressure actuation–freely and easily adapting your seat position according to the terrain you meet. The MICRO adjustment offers quick and easy seat positioning at any spot throughout the travel, with reliable and robust technology. View 31.6mm x 360mm x 100mm 31.6mm x 420mm x 130mm