PBR Aluminium Ultra-Light Hard Anodized Rear Sprocket 4639 - 525
Part No:
1075373005
NORMAL_PRODUCT
Manufacturer Part No:
4639 42 LD
Former part number:
4090000342
| Rear sprocket teeth count | 42 |
|---|---|
| Material | Aluminium |
| Rear sprocket version | Ultra-light hard anodized |
| Rear sprocket type | 4639 |
| Chain pitch | 525 |
See Features
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 high quality gross material
| Brand | Model | Cylinder | Year | Characteristics | name |
|---|
| Rear sprocket teeth count | 42 |
|---|---|
| Material | Aluminium |
| Rear sprocket version | Ultra-light hard anodized |
| Rear sprocket type | 4639 |
| Chain pitch | 525 |
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