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Product features
Shimano Dura-Ace
Shimano Dura-Ace is system engineering at its peak. Each of the components magnifies the qualities of the others for an unparalleled level of performance. Optimizing input to maximize output - that's how Dura-Ace achieves drivetrain supremacy.
| Manufacturer part # | ICSR910011128 | ICSR910011130 |
|---|---|---|
| Teeth | 11-28t | 11-30t |
| Speed | 11 | 11 |
| Mount type | Shimano | Shimano |