What is the max cog size that is compatible with GX Eagle AXS rear derailleurs? March 25, 2021 05:53 Updated 52T. GX Eagle AXS derailleurs are designed to be used with both Eagle 10-50T and 10-52T cassettes. Related articles Are 11-speed RED eTap derailleur batteries compatible with GX Eagle AXS and RED eTap AXS derailleurs? What type of clutch mechanism does the GX Eagle AXS derailleur use? Is it the same as the new RED eTap AXS derailleur? Can I fit SRAM Eagle AXS™ to any mountain bike and what are the compatibility requirements for Eagle AXS™? Why doesn’t Eagle use the new Orbit fluid clutch instead of the roller bearing clutch? What’s the difference between the roller bearing clutch and overload clutch? Comments 0 comments Article is closed for comments.