Designed to make upgrading from mechanical to wireless as simple as possible, the GX Eagle Transmission Upgrade Kit includes an AXS-enabled derailleur body, AXS Battery and AXS Pod Controller. Simply remove the threaded cage assembly and mount bolt from your mechanical Eagle 90 or 70 derailleur, and reinstall on the new GX Eagle Transmission derailleur body. An included Eagle T-Type PowerLock gives you peace of mind when re-installing the chain.Key Features:•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 these from Eagle 90 or Eagle 70 derailleur•Hangerless Interface (UDH) frame compatibility only•T-Type Component compatibility only•Distinct black ano finish