Take your mechanical Eagle Transmission to the future with this GX T-Type Eagle AXS Upgrade Kit! Designed to make converting your mechanical Transmission to wireless as simple as possible, this kit is compatible with both the Eagle 90 and Eagle 70 cabled Transmissions. Included in this kit: GX T-Type AXS Derailleur Body AXS Battery AXS Pod Controller AXS Charger Eagle T-Type PowerLock (Master link) Threaded cage assembly and derailleur mount bolt not included. You will re-use these from your Eagle 90 or Eagle 70 derailleur. You will also reuse the rest of your current Eagle 70 or Eagle 90 Transmission, including cranks, chainring, cassette, and chain.