SRAM X01 Eagle Rear Derailleur - 12-Speed, Long Cage, 52t Max, Lunar
The SRAM X01 Eagle Rear Derailleur features an updated cage architecture to provide better chain management.

    Type 3 clutch is smoother and more durable
    14T lower pulley
    Includes a chain gap tool that makes it easy to set up the correct chain length
    Backwards compatible, works with 10-50t and 10-52t cassettes
    Updated cage provides better chain retention and more precise shifts
    Comes in X01 Eagle master colorway as part of Eagle Colorsystem