Knock Block Headset Upper crank spider All with easy install by

All with easy install by allowing independent setup of the front derailleur and the K-Edge Chain Catcher

and capitalizes on our decades of carbon fiber experience to deliver precise control and exceptional comfort

lightweight contoured fit with durable 260gsm lycra body

designed specifically for use with TRP industry leading 2

Knock Block Headset Upper crank spider All with easy install byWolf Tooth Precision Headsets for Trek Knock Block are machined in the USA out of aircraft grade aluminum with superior sealing for protection against the elements. Available in a variety of colors to add some style to your bike. These upper headsets are for Trek frames with molded in internal bearing cups. Designed to work with Trek's Knock Block system The top cap on these headsets have unique raised features that key to Knock Block compatible stems