High-quality bottom bracket with steel bearings for the new T47 standard!
- T4730 Internal BB steel bearing
- 89g
- Designed to work with T47 threaded bottom brackets and 30mm axle ROTOR cranksets
- Compatible with 85,5 and 86,5 mm wide Road frames
- Compatible with 89,5 and 92 mm wide MTB frames
- aluminum alloy 7075
- 100% CNC-machined
- Silicone seals
Product safety information
Manufacturer information:
Rotor Bikes Components
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