Zipp CeramicSpeed 177 Freehub Freehub Body Campagnolo 11/12 00.1918.183.008 ModelNumber=D1517 model Flexi description stem mount

model Flexi description stem mount color black

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These rings fit any SRAM mountain bike crankset with a 94 BCD

If you have a BB30 crankset (30mm diameter aluminum spindle) this measurement will determine whether it is a long or short spindle:

Chain guards included

Zipp CeramicSpeed 177 Freehub Freehub Body Campagnolo 11/12 00.1918.183.008 ModelNumber=D1517 model Flexi description stem mountLowest resistance hybrid ceramic (ceramic balls and steel cages) available Measurable wattage savings between 1. 5 and 9 watts per bearing set, depending on the level and condition of your existing bearings Kits include Freehub body with CeramicSpeed bearings pre installed for easy installation onto the wheel SRAM Model ID: HU SPP A0 TECH SPECS Freehub Compatibility 177 Freehub Body Campagnolo Speed 11 12