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A single cage length that is compatible with 28-34T low sprockets brings new versatility to the world's best road component group.
- Our fastest ever rear shifting, 58% faster than RD-R9150
- LED status indicator
- Battery indicator
- Pairing
- Adjust mode, etc.
- Wider range capacity
- Max. low sprocket: 34T
- CFRP rear derailleur plate
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Review Shimano Dura-Ace Di2 12 Speed RD-R9250 Rear Derailleur
