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Installation requires the M7 bolts that are sold with the XTR cranks
5/16x9=16 (#64)
3 at the leading edge)
Swing Away design allows more bikes to be neatly stored by taking less floor space
Wolf Tooth Premium Headset - EC34/28.6 Upper, 16mm Stack, Black hope Installation requires the M7 boltsWolf Tooth Premium headsets are machined out of aircraft grade aluminum and feature high end bearings made by Enduro. They are engineered to use the largest possible ball size and are filled with high pressure waterproof lubricant. A pair of dual lip seals ride in micro grooves to keep out water and debris. Stainless steel bearings provide unparalleled corrosion resistance Highly recommended if your headset will be exposed to wet conditions or sweat