PARTS > Seatposts/Clamps > Easton Seat Posts

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		Size 400mm 27.2 400mm 30.9 400mm 31.6 300mm 27.2 300mm 31.6
EASTON EC90 ZERO Carbon Weight 160 grams (300 mm), 190 grams (400 mm) Diameter 27.2, 30.9, 31.6 mm Length 300 mm (27.2, 31.6 mm) 400 mm (27.2, 30.9, and 31.6 mm) Offset 0 mm Color Matte clear coat with durable graphics Material Easton CNT Composite with Enhanced Resin System™ Technology Full carbon Taperwall monocoque quill and head—no bonding Infinite seat angle position and high-strength steel hardware Easton Matrix Composite (EMC) upper and lower plate Relief-Area Design (RAD) for over-clamping protection Limited 5-year warranty U.S. Patent: 6,176,640