Seatposts

Kalloy's 602 seatpost comes in a wide variety of diameters to fit most frames. Simple, sturdy, and lightweight, the 602 makes a great replacement seatpost.

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

An ultralight OCLV Carbon seatpost with a 31.6 diameter and 2-bolt clamping head that offers easy-to-set, secure, slip-free saddle positioning. Strong, light, carbon The XXX 31.6 seatpost is a strong, light, and compliant OCLV Carbon seatpost with a 2-bolt clamp that offers secure, no-slip saddle positioning. Designed to be light enough for the road and durable enough for the trail, the XXX 31.6 post makes an easy upgrade to any ultra-light race bike. Product details - 100% OCLV Carbon fiber shaft, head, and plates - Lightweight titanium hardware - 2-bolt micro-adjust head mechanism offers 15 degrees of adjustment - Unique clamp shape allows for easy saddle changes and adjustments - Compatible with standard and oversize carbon saddle rails - Suitable for road or mountain use