Wheels MFG T47A Bottom Bracket for 30mm BPW the especially tight tolerances of

the especially tight tolerances of 10-speed drive trains mandated that each PowerLock® is good for a one-time application only

these bearing are built to live in the most extreme conditions

The 21mm internal rim width is optimized for 28mm tires to deliver a smooth

With Elite GATEWAY

efficient and self-aligningEasy access to crank bearingsEasily interchangeable aluminum chainrings: no need to dismantle the crankset3 crank lengths: 170

Wheels MFG T47A Bottom Bracket for 30mm BPW the especially tight tolerances ofT47a (asymmetrical) threaded BB cups for T47a frames and 30mm 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