Ritchey:
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: carbon fiber
Diameter: 27.2, 30.9, 31.6mm
Total length: 400mm (including 100mm of minimum insert)
Offset: zero
Saddle clamp: 2-bolt fore/aft
Saddle clamp torque: 7Nm (max)
Seat collar torque: 6Nm (max) / 7Nm (max) for Ritchey steel frames
Weight: 200g (27.2x400mm)
Colour: matte UD carbon finish
Size: 400x27.2, 400x30.9, 400x31.6