Shimano Dura-Ace RD-R9150 Di2 Rear Derailleur
| Largest Cog | 30 |
| Rear Der/Shifter Compatibility | Shimano Road Di2 |
| Rear Derailleur Mount Type | Shimano Rear Direct Mount |
| Drivetrain Speeds | 11 |
| Chain Wrap Capacity (teeth) | 35 |
| Cage Length | Short |
| Color | Black |
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