Rotor's Press Fit 4130 Ceramic Bottom Bracket is the missing piece of the puzzle to install your 30mm axle crankset into a frame with a 41mm press fit bottom bracket shell. Out on the road, this bottom bracket facilitates smooth, efficient pedal turns with silky ceramic bearings designed to weather the miles.
- A bottom bracket for 41mm diameter PressFit shells
- Silky smooth ceramic bearings for efficient pedal turns
- Double seal keeps dirt and grime out of the bearings