Shimano 105 R7000 Ultegra R8000 Rear Derailleur 11 Speed For Road Bike 11s Bicycle Ss Short Cage Gs Medium Cage Bike Accessories - Bicycle Derailleur - AliExpress
Amazon.com : SHIMANO Rear Derailleur, Rd-R7000, 105, Ss 11-Speed, Top Normal S : Sports & Outdoors