SB-packaged, industrial bearings Enables the mounting of SRAM and Truvativ DUB cranksets Item Article Version DUB Main color black Bearing type Industrial bearing Bottom bracket standard BB30 Standard bottom bracket housing width 73 mm Frame width: 73 mm Frame diameter: 42 mm Chainline: 55 mm Buying guide Check out this handy table to quickly determine the correct bottom bracket per frame type and link directly to the correct item in Accentry.Sram Article number: 730958 EAN code: 710845857935 Supplier number: 00.6418.017.004 Retail packaging: Yes