Rotor Press fit 4130mm BB86 converter Steel bearings
For specific use with BB86.Outer BB shell diameter is 41mm and with this you can use 30mm Axle systems. Ideal for Rotor 3D cranks.
This BB can be used with ROTOR 3D crankset.
- PRESS FIT 4130 for BB89-BB92 frames
- Dual track Steel (black) 68 g
- Lathed, heat-treated hi grade steel cups
- Lip seals reduce rolling resistance