Wolf Tooth Headset Upper Knock Block - 28.6 8mm Red CheckoutSpec= 130 BCD }RockShox Rear Shock Service Kit

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Wolf Tooth Headset Upper Knock Block - 28.6 8mm Red CheckoutSpec= 130 BCD }RockShox Rear Shock Service KitWolf Tooth Headset Upper Knock Block 28. 6 8mm Red. 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 Treks Knock Block system The top cap on these headsets have unique