RaceFace BSA X-Type 24mm Bottom Bracket

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RACE FACE - BSA X-TYPE 24MM BB Cups are forged & CNC machined from 6066 aluminum.Tapering wall construction to minimize weight.Custom 6805 16 ball retainer bearingBearings feature our custom triple wiper seal to better retain grease & keep contaminants out.Bearings are factory filled with Phil Wood waterproof grease tested & proven to extend bearing life.Interchangeable with select Shimano and FSA external MOUNTAIN BB systems. Show more