GROUP UPGRADE KIT SRAM GX EAGLE T-TYPE 90/70 AXS RDwBATT/POD-ROCKER-CONTROLLER/CHARGER-CORD CHAIN BLACKDesigned to make upgrading from mechanical to wireless as simple as possible Simply remove the threaded cage assembly and mount bolt from the mechanical Eagle 90 or 70 derailleur, and reinstall on the new GX Eagle AXS Transmission derailleur body Includes AXS enabled GX Eagle Transmission derailleur body, AXS Pod Controller, AXS Battery, Battery Charger, and Eagle T Type PowerLock Threaded cage assembly and derailleur mount bolt not included re use