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RF1611 CK3412
- No-slip saddle engagement with high adjustability
- 8mm open wrench
Manufacturer Part Number: EBLMT401RLL
UPC: 072774201976
Wolf Tooth Headset Upper Knock Block - 28.6, 8mm, Black Axle Tensioners RF1611 CK3412Wolf 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
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