Evo SRAM X01 Eagle AXS 12-Speed Rear Derailluer

Fly by wireless with the SRAM X01 Eagle AXS 12-Speed Rear Derailluer, the current pinnacle of mountain bike gearshifting. Once you experience the simple setup, impeccable consistency, and effortless ease with which this electronic component functions, you'll have a hard time riding your cable-actuated bikes without feeling a bit silly. Seriously, it's just that good!