Rear Derailleur B Screw And Limit Screw Kit X9 Type 2 X9 10 Speed 2022 Ships within United States Buy Online or Click & Collect Share Loading Facebook Like button... Rear Derailleur B Screw And Limit Screw Kit X9 Type 2 X9 10 Speed 2022 Ships within United States Buy Online or Click & Collect Share Loading Facebook Like button...