Seatposts

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

• Aluminum • Coil spring provides plush suspension • Adjustable pre-load design • Micro-adjust seat clamp • 450 grams

• Forged aluminum • Integrated micro-adjust seat clamp

• Steel • Polished-chrome finish • 7/8-inch seat-clamp diameter

Origin-8's Pro Fit Alloy Seat Post is made of light and durable forged aluminum that's been anodized and laser etched for a custom look. It also features an adjustable 2-bolt clamp that holds fast and lets you easily dial in your seat position. And, this fine post comes in a variety of diameters to fit almost any bike.

Origin-8's Pro Fit II Black-Series Seat Post is made of light and durable forged 6000 aluminum that has Origin-8's Blast Black finish for a custom look. It also features an adjustable 2-bolt clamp that holds fast and lets you easily dial in your seat position.

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.

- Straight-gauge 6061-T6 alloy shaft construction - 2-bolt rocker-head with micro-adjustment - Suitable for road or mountain use