Wolf Tooth Headset Upper Knock Block - 28.6, 8mm, Black Axle Tensioners Stroke (mm): 35

Stroke (mm): 35

- 8mm open wrench

UPC: 072774201976

- No-slip saddle engagement with high adjustability

Piston removal tool for servicing SRAM disc brakes

Wolf Tooth Headset Upper Knock Block - 28.6, 8mm, Black Axle Tensioners Stroke (mm): 35Wolf 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