Wheels manufacturing bbright to shimano bottom bracket angular bearings black

Machined aluminum shell threads together for precise bearing alignment and frame fit, reducing bottom bracket creaking and premature bearing wear. made in the usa replaceable enduro bearings abec-5 angular contact sealed bearings angular contact ball bearings are particularly suitable for carrying combined axial and radial loads item specifications weight 146 bb/frame interface bbright press fit spindle interface type fsa megaexo spindle interface type raceface exi spindle interface type shimano hollowtech ii bb shell width 79 defined color black bottom bracket shell i.d. 46