Shimano Alfine S501 39t 130mm Chainring Black for Double Guard. Shimano Alfine S501 1x Chainrings
- TECH SPECS
| Tooth Count | 39 |
| Ring Position/Type | Single |
| Drivetrain Speeds | Single Speed 3/32" |
| Chainring BCD | 130 |
| Color | Black |
| Defined Color | Black |
| Material | Aluminum |