Refurbished reasons: It has a small scratch and scuff on the edges. It is barely visible.The redesigned Zero post offers no-slip saddle engagement and great adjustability by securing the rails with front and rear bolts. Whether you´re riding rough singletrack or revving up, it ensures the seat stays exactly where you want it. Material: carbon fiber Diameter: 27.2, 30.9, 31.6mm Total length: 400mm (including 100mm insert minimum) Offset: zero Saddle tightening: 2 bolts front/rear Saddle tightening torque: 7Nm (max) Seat clamp torque: 6Nm (max) / 7Nm (max) for steel frames Ritchey Weight: 200g (27.2x400mm) Color: matte UD carbon finish