Rotor’s new UBB30 system eliminates the need for a press during installation. Thanks to the use of a threaded axle, the two bearings are secured to the black axle using a specific Rotor installation key (not supplied).
Technical specifications:
- UBB30 bearings for PF30 frames
- Compatible with all brands of BB30 cranksets
- Bearing diameter: 46mm
- Bottom bracket width: 68mm
- Steel bearings
- Brand: Rotor