X01 Eagle AXS Rear Derailleur – 12-Speed Long Cage 52t Max Battery Sold Separate BLK/Red

The Eagle AXS derailleur is the brain of the whole AXS system Shorter cage for 10mm more ground clearance, with more chain wrap on the cassette to sit slightly further forward, and further inboard frommechanical Eagle Battery not included SRAM Model ID: RD