3T Zero25 Team Stealth 31.6 ROADZero25 Team Stealth is a lightweight,carbon, universal seatpost with a twist: it's two seatposts in one. The two clever, reversible saddle rail clamps transform the post from zero saddle setback to 25mm setback. All that's needed is to flip the clamps from one side of the seatpost head to the other and the offset changes. Requires T27 Torx wrench