33t max SRAM AXS rear derailleurs are compatible with 10-26t, 10-28t, 10-30t, and 10-33t cassettes.
RED eTap AXS - max 33, 36
Force eTap AXS – max 33, 36
36t max SRAM AXS rear derailleurs are compatible with 10-28t, 10-30t, 10-33t, and 10-36 cassettes.
RED eTap AXS - max 33, 36
Force eTap AXS – max 33, 36
Force AXS - max 36
Rival eTap AXS – max 36
Check out the SRAM AXS Component Compatibility Map for more details.