SB-packaged, BB30, 68/73 mm case width, 42 mm bearing diameter 2-piece threaded design, can be used in place of a standard pressfit bottom bracket, self-aligning for easier and more precise alignment and longer lifespan, sealed industrial bearings, with hardened aluminum bearing shells Type Item Version DUB Main color black Bearing type Industrial bearing Bottom bracket standard BB30 Pressfit Bottom bracket case width 68 mm, 73 mm