ENVE 400mm Carbon Seatpost - 25mm OffsetProduct details This 400mm ENVE Carbon Seatpost with 25mm offset is a weight saving performance upgrade for your bike with a patented twin bolt clamp design for easy, accurate saddle adjustment. Expertly constructed from uninterrupted uni directional carbon fibre, ENVE has created a high strength, low weight seatpost with ride enhancing vibration absorption. The post is also compatible with electronic drivetrain batteries. The patented twin bolt clamp