ENVE Zero Offset Seatpost Not One Offset ENVE constructed the Zero Offset Seatpost with a one-piece molded design for a streamlined look. The engineers at ENVE strategically wrapped carbon to achieve an ideal strength-to-weight ratio, and more stiffness. Installed with one bolt, the seatpost offers a wide range of angles and fore/aft adjustment. The Seatpost is coated with a Uni finish to guarantee a stealthy addition to your bike. Features One bolt and one-piece molded design Fore/aft adjustment and angle adjustment Designed for Carbon 7x9mm rails, 7mm Alloy rails NOT COMPATIBLE WITH 7x10mm CARBON RAILSLength: 400 mm Zero Offset Unidirectional raw matte carbon fiber finish w/ gloss black graphics Weight: 210g | Enve | Zero Offset Seatpost 31. 6Mm, 400Mm