Gx Rd B Bolt Limit Screw Kit, Rear Derailleur Gx 1X11 B Bolt And Limit Screw Kit Available via Click & Collect Only Share Loading Facebook Like button... Gx Rd B Bolt Limit Screw Kit, Rear Derailleur Gx 1X11 B Bolt And Limit Screw Kit Available via Click & Collect Only Share Loading Facebook Like button...