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Rotor conceived its Universal Bottom Bracket (UBB) concept to eliminate the complicated bottom bracket/crank compatibility challenge that has increasingly frustrated the mechanics at your LBS. The Press Fit 4630 is the "yes" component to "Is this compatible with my press fit 46 mm diameter BB shell for a 30 mm axle?"
The center of the Rotor UBB4630 is much better than eg the SRAM plastic pressfit hub. At its own, installation was really easy. No stitches or creases are included thanks to a thread that allows the hub to tighten to the right tension.
Rotorin UBB4630 keskiö on huomattavasti laadukkaampi kuin esim. SRAMin muovinen pressfit keskiö. Omalla kohdalla asennus oli todella helppoa. Mitään nitinöitä ja naksumisia ei kuulu kiitos kierteen jolla keskiön saa kiristettyä oikeaan kireyteen.