T47 threaded BB cups for T47 frames and 29mm spindle diameter SRAM DUB cranks Cups have internal bearings, and can be used in BB shells with widths from 68mm to 132mm Machined aluminum cups thread together directly into a T47 BB shell Bearings are easily serviced or replaced Includes sleeve to fit between cups for added protection from dirt and also keeps your internal cables from rubbing on the crank spindle T47 BB cups are similar to standard BSA threaded cups in that the drive side cup is left-hand thread and the non-drive side cup is right-hand thread Tool Pattern: 48.5mm x 16-notch Weight: 97g