Wheels MFG T47A Bottom Bracket for Shimano GiantJuneSale create and organize routes

create and organize routes

Clamp band: open clamp band

Upgraded internal structure for a more precise shifting feel

Zero/Calibration: Auto Zero

Wheels MFG T47A Bottom Bracket for Shimano GiantJuneSale create and organize routesT47a (asymmetrical) threaded BB cups for T47a frames and 24mm diameter spindle compatible cranks. Cups have internal bearings, and can be used in BB shells with widths from 77. 5 79mm. Machined aluminum cups thread together directly into a Cervelo, Factor and Felt T47a 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