Handbuilt for quality reassurance the CeramicSpeed BBright Shimano Bearing Kit is unparalleled in durability and efficiency The BBright is the Cervlo bottom bracket standard found on most of their frames save the P5 In order to fit Shimano and FSA cranks into this oversized shell this bottom bracket complete with CeramicSpeed Bearings needs to be pressed in The CeramicSpeed BBright Shimano Bearing Kit features super smooth and super round CeramicSpeed Balls which contain hardenedsteel races for low drag and peak performance

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