Wolf Tooth Headset Upper Knock Block - 28.6, 8mm, Black Disc Pads RD6138 260200-01

RD6138 260200-01

DT786268 SP0402 550397

Manufacturer Part Number: 31425317011

159391-Q0-L

UPC: 812367015418

Wolf Tooth Headset Upper Knock Block - 28.6, 8mm, Black Disc Pads RD6138 260200-01Wolf 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