wheels-manufacturing-bb30a-frame-to-hollowtech-ii-spindle-outboard-thread-together-bottom-bracket-black
wheels-manufacturing-bb30a-frame-to-hollowtech-ii-spindle-outboard-thread-together-bottom-bracket-black, Machined aluminum shell threads together for precise bearing alignment and frame fit, reducing bottom bracket creaking and premature bearing wear.Replaceable Enduro bearingsMade in the USAItem SpecificationsBB Shell Width (mm)73BB/Frame InterfaceBB30aBottom Bracket Shell I.D.42Defined ColorBlackSpindle Interface TypeShimano Hollowtech IIWeight119 Wheels Manufacturing BB30 Thread Together Bottom Bracket Bottom Brackets UPC: 811079024732