Shimano Dura-Ace 7900 53t 130mm 10-Speed B-Type Outer Chainring. Shimano Dura-Ace 7900 10-Speed Chainrings
- TECH SPECS
| Tooth Count | 53 |
| Ring Position/Type | Outer |
| Drivetrain Speeds | 10 |
| Chainring BCD | 130 |
| Color | Silver/Black |
| Defined Color | Silver |
| Material | Aluminum |