SRAM XX1 Eagle AXS Rear Derailleur

2019 model year release (RD-XX-1E-A1 model ID)
AXS wireless-electronic, motor-driven derailleur
Shorter cage for 10mm more ground clearance
Position is further inboard from mechanical Eagle
Overload Clutch: in the event of an impact, the motor gearbox disengages, giving the derailleur freedom to move and then return back to its position
Tested to IP69K water and dust proofing standard
AXS app shows battery status, can change component behavior, personalize controls, get maintenance reminders, and update firmware
Carbon fiber cage with titanium hardware
Designed to work with X-DOME Eagle cassettes only (50 tooth max)
Removable battery provides 20 hours of ride time and takes one hour to charge
Designed for XC riding
X-HORIZON design
CAGE LOCK
X-SYNC pulley
Type-3 ROLLER BEARING CLUTCH
Weight listed not including 25g battery