Knock Block Headset Upper crank spider lightweight contoured fit with durable

lightweight contoured fit with durable 260gsm lycra body

the bag attaches in seconds to any bike

Simple set up

The Transfer continues the excellent reputation of smooth function and great reliability with an infinitely adjustable height design

Stay refreshed and replenish what you lose through sweat with Rapid Hydration—a clean

Knock Block Headset Upper crank spider lightweight contoured fit with durableWolf 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