- Thanks to its long experience acquired in competition in collaboration with great teams, PBR offers a range of high quality sprockets and crowns.
- Very resistant to corrosion and abrasion
- Reduced friction
- Very strict manufacturing process
- Color: Aluminum
- Rear sprocket type: 4579
- Chain pitch: 520
- Material: Aluminium
- Rear sprocket teeth count: 45
- Rear sprocket version: Reinforced
- Type: Rear sprocket
- Number of teeth: 45 Teeth
- Color: Aluminum
- Rear sprocket type: 4579
- Chain pitch: 520
- Material: Aluminium
- Rear sprocket teeth count: 45
- Rear sprocket version: Reinforced
- Type: Rear sprocket
- Number of teeth: 45 Teeth
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