The Bontrager Backrack Seatpost Rack bolts to the seat post for quick set-up and secure cargo. The perfect choice for frames without built-in eyelets, the versatile Bontrager Backrack Seatpost Rack quickly attaches to your (non-carbon) post with an easy-to-use four-bolt design. Compatibility with Trek's Interchange System means it mates seamlessly with a variety of Interchange bags designed to install fast and securely.Bontrager Backrack Seatpost Rack FeaturesDesigned to carry up to 9 kg (20 lb)Compatible with Trek and Bontrager Interchange 'car boot' hardwareFits both 27.2mm and 31.6mm seat postsNot compatible with carbon seat postsNot intended for use with child carriersBontrager Backrack Seatpost...
Best Price: £23.99 from Leisure Lakes Bikes