Shimano XT RD-M8000-GS Rear Derailleur - 11 Speed, Medium Cage, Black, w/ Clutch 2017 Ships within United States Buy Online or Click & Collect Share Loading Facebook Like button... Shimano XT RD-M8000-GS Rear Derailleur - 11 Speed, Medium Cage, Black, w/ Clutch 2017 Ships within United States Buy Online or Click & Collect Share Loading Facebook Like button...