SRAM X01 Eagle AXS Rear Derailleur - 12 Speed, Lunar Max 52T 520% RangeThe SRAM X01 Eagle AXS 12 speed rear derailleur is trail ready with AXS enabled componentry that makes personalization of the motor driven derailleur possible. The AXS powered component enables customization and scales to an individual rider s liking via the SRAM AXS App It features a shorter cage for 10mm more ground clearance, with more chain wrap on the cassette to sit slightly further forward, and further inboard The derailleur is designed with a