- Race experience
- Thanks to many years of competition experience, PBR developped a wide range of high quality sprockets in collaboration with top teams.
- High quality steel
- High wear resistance
- Reduces frictions
- High precision manufacturing
- Color: Black
- Rear sprocket type: 4478
- Chain pitch: 428
- Material: Steel
- Rear sprocket teeth count: 50
- Rear sprocket version: Reinforced
- Type: Rear sprocket
- Number of teeth: 50 Teeth
- Color: Black
- Rear sprocket type: 4478
- Chain pitch: 428
- Material: Steel
- Rear sprocket teeth count: 50
- Rear sprocket version: Reinforced
- Type: Rear sprocket
- Number of teeth: 50 Teeth
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