Shimano Deore XT RD-M8100-SGS Outer Plate Assembly for Super Long Cage 192790593999 | eBay
SHIMANO XT RD-M8100-GS Rear Derailleur - 12-Speed, Medium Cage, Black
SHIMANO DEORE XT M8100 12 Speed Groupset include RD-M8100-SGS Rear Derailleur and SL-M8100-R SL-M8100-IR Shifter Original Parts - AliExpress Sports & Entertainment