The Shimano Ultegra Di2 RD-R8050 Rear Derailleur is a high-performance component designed for 11-speed road bikes. Updated with Shimano's SHADOW RD design, this derailleur offers a sleek appearance and optimized shifting performance, delivering the digital precision of Shimano electronic shifting and synchronized shifting.

Key Features:
  • SHIMANO SHADOW RD: Provides a low-profile design for the rear derailleur, reducing the likelihood of damage in a fall.
  • Shimano Synchronized Shift: Offers system communication with the front derailleur for seamless and efficient gear changes.
  • 11-Speed Compatibility: Designed for 11-speed road bike drivetrains.
  • Long Cage: Accommodates a wide range of cassette sizes for versatile gearing options.
  • Sleek Appearance: The SHADOW RD design enhances the overall look of the derailleur.
  • Optimized Shifting Performance: Delivers precise and smooth gear changes for an efficient riding experience.

Who is it for?
The Shimano Ultegra Di2 RD-R8050 Rear Derailleur is designed for road cyclists seeking a high-quality and reliable component to upgrade their 11-speed electronic drivetrains. 
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