Wolf Tooth Headset Upper Knock Block - 28.6, 8mm, Red Hex/Torx/Nut Wrenches Manufacturer Part Number: TB00062100

Manufacturer Part Number: TB00062100

Manufacturer Part Number: QSMSEAL/

- Machined 6061 aluminum in anodized red

UPC: 710845868467

- HYPR is a full silica compound

Wolf Tooth Headset Upper Knock Block - 28.6, 8mm, Red Hex/Torx/Nut Wrenches Manufacturer Part Number: TB00062100Wolf 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