T47 threaded BB cups for T47 frames and 22/24mm diameter spindle cranks Cups have outboard bearings, and are typically used in BB shells with widths from 68mm to 100mm 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 grime, and also keeps your internal wires and hoses 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 68/73mm T47 Sram GXP 24/22mm Alloy 162g