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SHIMANO DURA-ACE R9250F DERAIL 12-SPEED MEDIUM CAGE REAR DERAILLEUR

Item Description

Shimano Dura-Ace RD-R9250 Rear Derailleur – 12-Speed, Black

The Shimano Dura-Ace RD-R9250 Rear Derailleur delivers ultra-fast, precise Di2 shifting in a compact, lightweight package. Featuring an integrated wireless unit and charging port, this derailleur ensures seamless connectivity and easy system adjustments. A single cage length accommodates cassettes ranging from 11-28T up to 11-34T, giving riders versatility across climbing and sprinting scenarios. Designed for top-level road racing, it combines speed, accuracy, and reliability for any podium-worthy performance.

  • Ultra-fast rear Di2 shifting for precision and responsiveness
  • Compact design with integrated wireless unit, charger, and switch
  • Wide-range capacity accommodates 11-28T to 11-34T cassettes
  • CFRP (Carbon Fiber Reinforced Polymer) rear derailleur plate for lightweight strength
  • LED status indicator displays battery, pairing, and adjustment mode
  • Main body and cage constructed from aluminum for durability and stiffness
  • Cage Length: Medium
  • Chain Wrap Capacity: 37 teeth
  • Color: Black
  • Drivetrain Speeds: 12
  • Largest Cog: 34T
  • Rear Der/Shifter Compatibility: Shimano Road Di2
  • Rear Derailleur Mount Type: 10x1 Standard / Shimano Rear Direct Mount
  • Materials: CFRP (rear plate), Aluminum (body and cage), Steel (pulleys)

About Us

Located on Long Island in Wantagh, NY, Brands Cycle & Fitness was voted one of the  top six bike stores in the country  by Bicycling Magazine. Our staff of 60 to 110 employees (seasonally) wants to make your cycling and home fitness experiences as convenient and enjoyable as possible. Shop with us online, or come down and see us seven days a week.

For more than fifty years, we've been proud to be your resource for all things cycling. We hope to meet you or see you again soon!





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