Shimano Ultegra Di2 RD-R8050 11-Speed Rear Derailleur – GS Cage E-Tube Electronic Road Derailleur
Upgrade your road bike with the Shimano Ultegra Di2 RD-R8050 11-Speed Rear Mech, a precise, lightweight and reliable electronic rear derailleur designed for smooth performance cycling. Featuring Shimano’s advanced Di2 electronic shifting technology, the RD-R8050 delivers instant, accurate gear changes with just a light touch of the shift button.
- Shimano Ultegra Di2 RD-R8050 11-speed rear derailleur
- GS medium cage for wide-range cassette compatibility
- Shimano Di2 electronic shifting for fast, precise gear changes
- E-Tube compatible electronic drivetrain technology
- Low-profile Ultegra Shadow design reduces crash damage risk
- Smooth programmed motion for effortless shifting
- Eliminates cable stretch, contamination and corrosion issues
- Built-in saver function helps protect the internal mechanism
- Lightweight cold-forged aluminium link plates and body
- Fluorine-coated pivot bushings for low-friction performance
- Compatible with 11-28T to 11-34T cassette ratios
- Ideal for road racing, endurance cycling and performance road bikes
The Ultegra Shadow design gives this derailleur a sleek, low-profile shape that sits neatly beneath the cassette, helping to reduce the risk of damage in a crash or impact. Its programmed electronic movement ensures fast, smooth and effortless shifting, making it ideal for road racing, endurance riding, sportives and high-performance road bike builds.
By replacing traditional mechanical cables with Shimano E-Tube electronic wiring, the Ultegra Di2 RD-R8050 helps eliminate shifting issues caused by cable stretch, corrosion and contamination. The result is consistent, low-maintenance shifting in a wide range of riding conditions.
Built with high-tolerance cold-forged aluminium link plates and body construction, this Shimano Ultegra rear derailleur is both lightweight and durable. Four self-lubricating, fluorine-coated link pivot bushings reduce friction for smooth, efficient shifting, while the built-in saver function helps protect the internal mechanism from strong impacts.
With a GS medium cage design and compatibility with 11-speed Shimano Di2 drivetrains, the RD-R8050 supports wide gear ratios from 11-28T up to 11-34T, making it a versatile choice for climbing, endurance routes and mixed road terrain.