- Thanks to its long experience acquired in competition in collaboration with great teams, PBR offers a range of high quality sprockets and crowns.
- Very high quality 18NCD5 steel alloy
- Very resistant to corrosion and abrasion
- Reduced friction
- Very strict manufacturing process
- Color: Black
- Rear sprocket type: 4508
- Chain pitch: 525
- Material: Steel
- Rear sprocket teeth count: 37
- Rear sprocket version: Reinforced
- Type: Rear sprocket
- Number of teeth: 37 Teeth
- Color: Black
- Rear sprocket type: 4508
- Chain pitch: 525
- Material: Steel
- Rear sprocket teeth count: 37
- Rear sprocket version: Reinforced
- Type: Rear sprocket
- Number of teeth: 37 Teeth
