One-piece bottom bracket cup set Bearings included Fits smaller american juvenile/youth size..
Adjustable Side WALD, USA #350 7/8" Keyed..
Size: 24tpi Color: BLACK ..
Color: silver Size: 24tpi ..
American 1 Piece w/ Cups Loose Ball Caged Bearings 28 Threads Per Inch..
Color: Size: More details coming soon..
Shimano Ultegra BB72, BBR60 Hollowtech II Bottom Brackets Reduced size for light weight New ..