Dura Ace Di2 RD-R9250

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The DURA-ACE RD-R9250 12 speed Di2 electronic rear derailleur 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 shifts cassettes from 11-30 to 11-34 bringing new versatility to the world's best road component group.

• Compact SHADOW design includes an integrated wireless unit, charger, switch and LED status indicator.
  
• Wider range capacity: compatible with 11-30 and 11-34T 12-speed cassettes
  
• Fastest ever rear shifting, 58% faster than RD-R9150
  
• Integrated D-FLY Connectivity
  
• Maximum low sprocket: 34T

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