Designed to make upgrading from mechanical to wireless as simple as possibleSimply 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 bodyIncludes AXS-enabled GX Eagle Transmission derailleur body, AXS Pod Controller, AXS Battery, Battery Charger, and Eagle T-Type PowerLockThreaded cage assembly and derailleur mount bolt not included - re-use these from Eagle 90 or Eagle 70 derailleurHangerless Interface (UDH) frame compatibility onlyT-Type Component compatibility onlyBlackUPC/EAN/GTIN: 710845919626