T47 threaded BB cups for T47 frames and 29mm spindle diameter SRAM DUB compatible cranksIncludes sleeve to fit between cups for added protection from dirt and grime, and also keeps your internal wires and hoses from rubbing on the crank spindleCups have outboard bearings, and can be used in BB shells with widths from 68mm to 100mmMachined aluminum cups thread together directly into a T47 BB shellBearings are easily serviced or replaced68/73mmT47DUBAluminum155gBlackUPC/EAN/GTIN: 811079025654