Shimano Claris RD-R2000-GS Rear Derailleur - 8 Speed, Medium Cage, Black 2017 Ships within United States Buy Online or Click & Collect Share Loading Facebook Like button... Shimano Claris RD-R2000-GS Rear Derailleur - 8 Speed, Medium Cage, Black 2017 Ships within United States Buy Online or Click & Collect Share Loading Facebook Like button...