Zipp 188v7 to 188v8 11 speed conversion kit, 11.1918.009.000
11 Speed Conversion Kit and PartsOnly to be used to convert Zipp's 188 V7 10-speed rear hubs to 11-speed. Not to be used on 188 V6 or earlier rear hubs. Item Specifications: Misc, 11 speed conversion kit 188v7 to 188v8,.