Vision Metron Carbon Seatpost 31.6 x 350mm 0SBThe Vision Metron Seatpost has a carbon fiber monocoque construction design to eliminate the need for a separate head and shaft. Everything about these seatposts are engineered to be light and aero. The hardware is ultralight Titanium. The clamp has an alloy Minimal Top Clamp to make sure your saddle is in the perfect position. Your choice of 27.2 or 31.6 diameters as well as a choice of SB0, SB20 and SB32. Upgrade your seatpost today and go as fast as possible.840031002976