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Shimano Alfine S501 45t 130mm Single Speed Chainring. Shimano Alfine S501 1x Chainrings
- TECH SPECS
| Color | Black |
| Ring Position/Type | Single |
| Tooth Count | 45 |
| Drivetrain Speeds | Single Speed 3/32" |
| Chainring BCD | 130 |
| Material | Aluminum |
| Defined Color | Black |