Wolf Tooth

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

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SKU: HD0286

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

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