Warranty and Return policy: Bearing Size: 30mm x 42mm x 7mm Information about FULL Ceramics bearing: Bearing Material: Zirconia Oxide Ceramic (ZrO2) Ball Material: Nitrided Silicon Ceramic (SI3N4) Fit with most Bottom bracket in the market which use BB30/ 30mm Spindle Including Sram, FSA, Cannondale, Rotor&Specialized,Praxis Works, Cervelo, etc... |