Featuring an integrated dust cover for all models, a snug and secure fit that fully protects the face of the bearing, the Ceramicspeed BB30 SRAM DUB Coated Bearing Kit is a powerhouse for long-lasting quality and efficiency. Thanks to the 'coat' along the bearing as a wafer-thin protective layer on the bearing rings. This makes the bearing even tougher even tougher and has a further 60% longer life cycle and an even lower rolling resistance.The bearing delivers outstanding performance without any sacrifices and paired with the hand-built bearings carrying the load from crank to frame, the Ceramicspeed BB30 SRAM DUB Coated Bearing Kit is unparalleled in durability and efficiency.

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