![Amazon.com : Shimano Ultegra RD-R8050-GS Di2 Rear Derailleur - 11-Speed, Medium Cage, Black : Sports & Outdoors Amazon.com : Shimano Ultegra RD-R8050-GS Di2 Rear Derailleur - 11-Speed, Medium Cage, Black : Sports & Outdoors](https://m.media-amazon.com/images/I/71TbTko6jfL._AC_UF1000,1000_QL80_.jpg)
Amazon.com : Shimano Ultegra RD-R8050-GS Di2 Rear Derailleur - 11-Speed, Medium Cage, Black : Sports & Outdoors
![Shimano Ultegra R8050 2x11v Groupset With 2x11 Speed Di2 Shifters Brake Front Rear Derailleur Crankset Cassette Chains E-tube - Bicycle Derailleur - AliExpress Shimano Ultegra R8050 2x11v Groupset With 2x11 Speed Di2 Shifters Brake Front Rear Derailleur Crankset Cassette Chains E-tube - Bicycle Derailleur - AliExpress](https://ae01.alicdn.com/kf/H2b05833f50854cd1b04dd256423f6463P/SHIMANO-ULTEGRA-R8050-2x11v-Groupset-with-2x11-speed-DI2-Shifters-Brake-Front-Rear-Derailleur-Crankset-Cassette.jpg_Q90.jpg_.webp)
Shimano Ultegra R8050 2x11v Groupset With 2x11 Speed Di2 Shifters Brake Front Rear Derailleur Crankset Cassette Chains E-tube - Bicycle Derailleur - AliExpress
![Amazon.com : Shimano Ultegra RD-R8150 Di2 Rear Derailleur - 12-Speed, Medium Cage, Black : Sports & Outdoors Amazon.com : Shimano Ultegra RD-R8150 Di2 Rear Derailleur - 12-Speed, Medium Cage, Black : Sports & Outdoors](https://m.media-amazon.com/images/I/51oLNouvsQL._AC_UF1000,1000_QL80_.jpg)