- Race experience
- Thanks to many years of competition experience, PBR developped a wide range of high quality sprockets in collaboration with top teams.
- High wear resistance
- Reduces frictions
- High precision manufacturing
- Use of top quality gross material
- Color: Black
- Rear sprocket type: 4447
- Chain pitch: 525
- Material: Steel
- Rear sprocket teeth count: 40
- Rear sprocket version: Reinforced
- Type: Rear sprocket
- Number of teeth: 40 Teeth
- Color: Black
- Rear sprocket type: 4447
- Chain pitch: 525
- Material: Steel
- Rear sprocket teeth count: 40
- Rear sprocket version: Reinforced
- Type: Rear sprocket
- Number of teeth: 40 Teeth
