Shimano Dura-Ace RD-R9150-SS Di2 Rear Derailleur - 11-Speed Short Cage Black. Shimano Dura-Ace RD-R9150 Di2 Rear Derailleur
- TECH SPECS
| Largest Cog | 30 |
| Color | Black |
| Rear Der/Shifter Compatibility | Shimano Road Di2 |
| Rear Derailleur Mount Type | 10x1 Standard |
| Rear Derailleur Mount Type | Shimano Rear Direct Mount |
| Drivetrain Speeds | 11 |
| Chain Wrap Capacity (teeth) | 35 |
| Cage Length | Short |