Shimano Dura-Ace RD-R9150-SS Di2 Rear Derailleur - 11-Speed, Short Cage
- Di2 E-Tube Electronic Shifting
- Ergonomic shifting operation without stress
- Shimano Di2 synchronized shift
- Cassette Spacing: Shimano/SRAM 11
- Low profile rear derailleur design
- Shimano Shadow Rear Derailleur: Keeps derailleur tucked away
- Race endurance for less damage in crash
- Maintains compact and smooth appearance
- Maximum Sprocket : 30T
- Minimum Sprocket : 11T
- Maximum Front Difference : 16T
- Total Capacity : 35T
- Weight: 204g