ROTOR Press Fit 4630 Bottom Bracket
The ROTOR Press Fit 4630 Bottom Bracket adapts any PF30, BBRight or 386 EVO bottom bracket shell to fit a 30 mm diameter crank spindle. The ROTOR PF 4630 BB features two cups with bearings pressed in with a sleeve. It is available in steel or ceramic.
- Works with PF30, BBRight or 386 EVO bottom brackets
- Weight: Steel - 106 grams | Ceramic - 100 grams