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.