The black Ergotec Patent Seat Post is easily and quickly adjusted by means of a single screw so that you can adjust it correctly according to your need. It is made of aluminium and has a 18 mm backward reach. The upper part of the Seat Post has an adjustable piece so that you can adjust your seat correctly and have a comfortable position on the bike. It has a total length of 350 mm and a diameter of 28.8 mm so that it is compatible with your bike and you can get the most out of it and have no problems installing it.