The DURA-ACE RD-R9250 integrates the system charging port and a wireless connectivity unit all while delivering super fast, precise shifting worth of any podium. A single cage length that is compatible with 28-34T low sprockets brings new versatility to the world's best road component group.
.Features-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-LED status indicator-Battery indicator, pairing, adjust mode etc.Item
Specifications-Largest Cog:34-Rear Der/Shifter
Compatibility: Road Di2-Rear Derailleur
Mount Type: Rear Direct Mount-Rear Derailleur Mount Type:10x1 Standard-Drivetrain Speeds:12-Chain Wrap Capacity (teeth):37-Cage Length:Medium-Color:Black
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