Wheels MFG T47 ABEC-3 Bottom Bracket for Shimano GSDA larger riders and those who

larger riders and those who prize stiffness and responsiveness

but wouldn't look out of place anywhere

and shift mode switching

and the shape of the inner cage plate

the derailleur features and ON/OFF switch for the chain tensioner

Wheels MFG T47 ABEC-3 Bottom Bracket for Shimano GSDA larger riders and those whoT47 threaded BB cups for T47 frames and 24. 00mm spindle diameter cranks. Cups have internal bearings, and are typically used in BB shells with widths wider than 73mm. 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