Seatposts

Features - Anti-Twist Technology keeps the saddle firmly positioned - Steel proprietary air & oil cartridge offers smooth consistent load range adjustment - Internal cable routing - Secure 2-bolt clamp design with steel hardware - Clamp design compatible with standard 7mm (alloy) or 9mm (composite) saddle rails - Extra-long lower saddle rail guide designed to cradle lightweight saddle rails securely - Includes updated 2x remote lever

Full UD carbon shaft with alloy clamp - Wide saddle clamp design reduces rail stress and flex - Micro-adjust 2 bolt clamp design - Available in 0mm and 15mm setback options - ISO-Mountain safety certified

Easton's EC90 Zero Seatpost is super light and amazingly strong. It's crafted from Easton's high-tech CNT carbon for maximum stiffness and a premium ride. Plus, it even features carbon clamping pieces for the ultimate in low weight, while Easton's Relief-Area Design (RAD) enhances strength where the frame clamps the post.

Trek-compatible seat mast cap Offered in white and black and a variety of lengths and offsets, the mast cap includes hardware compatible with round saddle rails only. 7x10mm carbon rail-compatible hardware sold separately. Key features: - Ultra-light carbon construction - One bolt head design offers easy fore-aft and infinite angle adjustment - Compatible with all Trek road bikes with round seat masts - 175mm and 135mm lengths - 5mm and 20mm offsets - Aluminum clamp

Giant's Contact SLR Seatpost is made for the fastest riders on the fastest bikes, meaning you and your steed. This full-carbon beauty barely weighs a thing, is super strong, and uses a clever reversible head to give you either 12 or 23mm of offset. Its interchangeable clamp design is compatible with both 7mm alloy and 9mm composite saddle rails. Plus, the extra-long saddle clamp is friendly with lightweight carbon rails.

Giant Contact SLR Seatpost features an ultra light single piece molded full-composite construction for a compliant ride. With an interchangeable clamp design for 7mm alloy or 9mm carbon saddle rails. Features - One-piece molded composite shaft and head - Clamp fits standard 7mm alloy saddle rails (9mm carbon saddle rail clamp sold separate) - Reversable outer clamp design allows for 12mm or 23mm offset options - Extra long lower saddle rail guide designed to cradle lightweight saddle rails securely