Parts & Accessories

Bontrager's Speed Concept Seatpost lets you get your aero fit dialed. Different offsets allow you to customize your riding position for superior ergonomics and aerodynamics, and the clamp is compatible with both standard and oversize saddle rails. This seatpost is compatible with 2014 Trek Speed Concept 9 Series bikes.

Bontrager's Race XXX Lite Seatpost is made of OCLV carbon for a sweet ride and minimal weight. Carbon's unique vibration damping properties smooth the road and the trail so you can go longer and harder. And, this post boasts an easy-to-use, one-bolt, infinitely-adjustable clamp.

Bontrager's Race XXX Lite Seatpost is made of OCLV carbon for a sweet ride and minimal weight. Carbon's unique vibration damping properties smooth the road and the trail so you can go longer and harder. And, this post boasts an easy-to-use, one-bolt, infinitely-adjustable 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

Bontrager's Speed Concept Seatpost lets you get your fit dialed before your next triathlon or time trial. It's crafted from OCLV carbon and the one-bolt head provides simple adjustments. Different offsets allow you to customize your riding position for superior ergonomics and aerodynamics.

Designed exclusively for Trek's Equinox TTX bikes, this extremely aerodynamic seatpost uses proprietary OCLV carbon technology to keep weight low and strength high. The one-bolt seatpost head provides adjustment along three axes: fore and aft, side to side, and up and down. Symmetric design allows you to run either a 20mm rearward or 20mm forward offset, effectively changing your seat tube angle from a traditional 73 degrees to an aggressive 79 degrees. - Construction: OCLV carbon fiber shaft - One bolt head mechanism offers easy fore-aft and infinite angle adjustment - Reversible design allows setback or forward saddle positions - For use with Trek TTX frames