The Stratum SE alloy seatpost is any easy upgrade or the final touch in your meticulous build. Its 2014 aluminum alloy construction is stiff and strong, making Stratum SE an efficient pedaling platform. 0mm and 18mm offset options and a two-bolt adjustable head make it easy find your perfect fit. Add this alloy seatpost to your cockpit for a refined ride and look wherever you pedal. Key Features - 2014 aluminum alloy construction with forged aluminum head - Two-bolt adjustable head - 400mm length - Available in 27.2mm, 30.9mm, and 31.6mm diameters - Available with 0mm or 18mm offset - Tested to ASTM 3 / ISO MTN