Wheels MFG T47A Bottom Bracket for 30mm BPW Race Day Bibs fit like

Race Day Bibs fit like a second skin for reduced drag so you can bomb the descents and keep pace on the flats

these bearing are built to live in the most extreme conditions

Width Drops: 38

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

THRU AXLE COMPATIBILITY: 12x100

Wheels MFG T47A Bottom Bracket for 30mm BPW Race Day Bibs fit likeT47a (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