Bontrager Backrack Seatpost Rack Black

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 Rack SpecificationsCompatible bike size: 27.2/31.6 mmRack type: Rear racksAttachment: InterchangeAdjustable feet: NoDisc compatible: YesIncludes light mount: NoWeight capacity: 20 lb (9 kg)Material: AluminiumWeight: 0.74kg