The redesigned Zero post offers no-slip saddle engagement and high adjustability by securing the rails with fore and aft bolts. Whether you're hitting rough singletrack or remounting in a hurry, this ensures the saddle stays exactly where you want it. - Material: 2014 alloy - Total length: 400mm (including 100mm of minimum insert) - Saddle clamp: 2-bolt fore/aft - Saddle clamp torque: 7Nm (max) - Seat collar torque: not specified - follow frame/seat binder specification - Weight: 240g (27.2x400mm)