Shimano Alfine S501 45t 130mm Inner Chainring Guard. Shimano Alfine S501 Chainring Guard
- TECH SPECS
| Color | Black |
| Mount Type | Chainring |
| Chainring BCD | 130 |
| Material | Polycarbonate |
| Defined Color | Black |
| Max Tooth (teeth) | 45 |
| Color | Black |
| Mount Type | Chainring |
| Chainring BCD | 130 |
| Material | Polycarbonate |
| Defined Color | Black |
| Max Tooth (teeth) | 45 |
