Description
Shimano Dura-Ace RD-R9250F Di2 Rear Derailleur - 12-Speed, Medium Cage, Includes TL-EW300, Black
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- Ultra-fast rear Di2 shifting
- Compact design includes an integrated wireless unit, charger, switch
- Wider range capacity
- Max. low sprocket: 34t
- CFRP rear derailleur plate