- 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: 4509
- Chain pitch: 520
- Material: Steel
- Rear sprocket teeth count: 38
- Rear sprocket version: Reinforced
- Type: Rear sprocket
- Number of teeth: 38 Teeth
- Color: Black
- Rear sprocket type: 4509
- Chain pitch: 520
- Material: Steel
- Rear sprocket teeth count: 38
- Rear sprocket version: Reinforced
- Type: Rear sprocket
- Number of teeth: 38 Teeth
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