SRAM X01 Eagle 12sp Rear Derailleur, Lunar NLA Lunar Rear Derailleurs

- Type 3 clutch is smoother and more durable \n - Includes a chain gap tool that makes it easy to set up the correct chain length \n - Backwards compatible, works with 10-50t and 10-52t cassettes \n - Updated cage provides better chain retention and more precise shifts \n - 14t lower pulley