Wolf Tooth Premium Headset - ZS56/40 Lower Blue Model=Claris FD-R2030 Adaptive Fit System tongue and

Adaptive Fit System tongue and 3D Stretch Toe Box to tune instep room and toe comfort

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8mm 40cm Di2 Internal Routing Black

8mm spacer (included) for use with a Shimano/SRAM 8-11sp HG mountain cassettes

Wolf Tooth Premium Headset - ZS56/40 Lower Blue Model=Claris FD-R2030 Adaptive Fit System tongue andWolf Tooth Premium Headset ZS56 40 Lower Blue. Wolf 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