Shimano Ultegra R8050 Di2 11-Speed Rear Derailleur GS

Shimano Ultegra R8050 Di2 11-Speed Rear Derailleur GS Electronic shifting with precise and perfected movement across your rear derailleur; the Shimano Ultegra R8050 Di2 11-Speed Rear Derailleur; GS is a refined choice that provides the highest levels of technical accuracy in your groupset; allowing you the smoothest shifting experience possible. A programmed automatic motion allowing you to range across your gearing at the simple touch of a button; this derailleur is reducing its reliance on mechanical cabling; which is more prone to contamination; corrosion and stretching. With a high tolerance; cold-forged aluminium link plates and a body construction providing a light net weight as well as a strong; robust build quality; this derailleur makes use of four self-lubricating micro-machined fluorine-coated link pivot bushings; leading to greatly reduced friction throughout the course of your ride. Compatible with 11-speed cassettes and Shimano Di2 levers; this electronic rear derailleur uses a low profile shadow design construction; keeping your derailleur close; reducing the risk of damage in the lamentable event of a crash; or just in daily use. This derailleur is compatible with a maximum 34 tooth sprocket and good down to 11T.