CeramicSpeed PF30 Bottom Bracket
CeramicSpeed PF30 Bottom Bracket, The new SRAM DUB crank standard built on a 28. 99 spindle allows for a more contamination resistant BB design while retaining the ultra-efficient & long-lasting qualities CeramicSpeed Bottom Brackets are known for. With an integrated dust cover for all models a snug & secure fit that also fully protects the face of the bearing delivers exceptional performance without any sacrifices. CeramicSpeed hand-built bearings carry the load from crank to frame with un-paralleled durability & efficiency.