REAR DERAILLEUR – SRAM Technical Service FAQ

What is the max cog size that is compatible with Eagle AXS™ rear derailleurs?

Eagle AXS rear derailleurs support a max cog size of 52T and are designed to be used with Eagle cassettes. Eagle cassettes are available in 10-50T, 10-52t, and 11-50T options. Click here to view al... See more

What type of clutch mechanism does the Eagle AXS™ derailleur use? Is it the same as the new SRAM RED eTap AXS™ derailleur?

The Eagle AXS™ derailleur uses a Type-3 Roller Bearing Clutch with a proven track record form our current Eagle™ offerings. It is not the same as the SRAM RED eTap AXS™ derailleur Orbit™ fluid clutch. See more

What’s the difference between the roller bearing clutch and overload clutch?

Eagle AXS™ derailleurs use both our Type-3 roller bearing clutch and Overload Clutch. Type 3 roller bearing clutch is used to control cage movement and chain management. The Overload gearbox clutch... See more

Why doesn’t Eagle™ use the new Orbit fluid clutch instead of the roller bearing clutch?

Our proven Type 3 clutch is utilized in this product because of its track record of success and dependability. Road rear derailleurs have a different dynamic than MTB derailleurs and do not require... See more

What is the Overload Clutch?

The Eagle AXS™ derailleur is smart enough to protect itself thanks to its incredibly resilient Overload Clutch. In the event of an impact, the motor gearbox disengages, giving the derailleur freedo... See more

How robust is the Eagle AXS™ derailleur?

Several design features increase the robustness of the Eagle AXS™ derailleur. The gearbox and motor clutch, the shorter cage, more chain wrap, and more precise shift control all add to a more durab... See more

Are 11-speed SRAM RED eTap™ derailleur batteries compatible with Eagle AXS™ and SRAM RED eTap AXS™ derailleurs?

Yes. Both groups use the same batteries. See more