ZIPP CeramicSpeed Freehub Body and Bearing Kit – ZIPP 177 Campagnolo Cassette hu

– Lowest 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 – Available in SRAM, Campagnolo® and XDR Driver versions specifically for Zipp rear hubs – Material (Hub – Bearings): Ceramic