Non-Thread (Press Fit) BB Steel Bearing
Product BB shells are the same as Ceramic except internal bearings are steel.
Key Features
- Compatible Frame ID: 42mm/Length: 68 or 73mm
- **EMA-PFBB30A24-SHCBBR
- **EMA-PFBB30A386-ROCBTF12
- 4 IN 1 BB ** ROTOR 3D+ (386) Series Crank Compatible
- CB (Ceramic Bearing) / SB (Steel Bearing)
Made in Taiwan