The Rotor BB Press Fit 4630 Steel Black/Red easily accommodates your bike of choice with the press fit, 46mm diameter and 30mm axle BB shell. The Rotor PF 4630 Steel Bottom Bracket is part of the company's UBB System, which allows far more cranks to work with basically any frame. In this case, this BB allows a Rotor 3D Plus, 3D30 or Flow crank to work in PF30, BBright and BB386evo bottom brackets
Designed to work with PF30, BBright and BB386evo bottom brackets
I purchased this bottom bracket for my Cervelo S3. Installed with no issues. The bearings feel smooth. No problem with creaking or grinding after around 500 miles. I hope that I will get several thousand miles out of it.
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