The easton ec90 seatpost has a layback offset design with full carbon taperwall monocoque quill and head with no bonds for maximum weight savings and excellent durability with a full carbon construction including upper and lower clamping plates the ec90 has been intelligently designed to distribute stress along the length of the seatpost dampening vibrations and enhancing comfort this easton seatpost incorporates extra material in the critical clamp zone to prevent pinching of the carbon e