Box Components Extremum External Bottom Bracket (Black) (24mm) - BX-BB13EXRAC-BK
Box Components Extremum External Bottom Bracket (Black) (24mm) - BX-BB13EXRAC-BK, BOX BMX Bottom Brackets Features: Features non-contact, titanium-coated SUS bearings, modified low-friction seals and lighter weight lube External BB designed for BMX racing Specs: Defined Color Black BB Style Euro