Wolf Tooth Headset Upper Knock Block - 28.6, 8mm, Orange

$59.95 Regular price $66.99
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Wolf 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 (made by Bontrager
  • If spacers are needed, you will need to use special Knock Block compatible spacers with notch features
  • This product is the upper headset only
  • Lower headsets on bikes with Knock Block do not have any unique features. They are usually IS headsets which are available separately
  • MPN: IS41U-8MM-KNOCK-ORG
  • UPC: 810006802726
  • Bearing TypeCartridge
    ColorOrange
    keyword searchTrek Knock Block
    Upper Stack Height8
    S.H.I.S. Stem Clamp Diameter28.6 Threadless
    SKU: HD0287