evo.com | Easton Seatposts > Super light, mega strong, and as comfortable as you can get: a Easton EC90 SL Carbon Seatpost is a simple luxury that pays dividends on its first ride. Made entirely from Easton's best carbon (even the seat clamps), this post is thin where it should be and thick where it needs to be. It comes in two offsets to help riders really dial in their perfect fit. Simply perfect. 27.2mm Diameter Taperwall Technology Improved strength without the weight penalty. Micro Adjusting Carbon Clamp 20mm or 0mm Offset Available EC90 Carbon Easton's highest quality carbon combines low weight, high strength, and excellent ride quality. | Easton EC90 SL Seatpost 2026 - 27.2x350mm, 20mm Offset in Black Size 27.2X350mm 20mm Offset