What cassettes are compatible with the SRAM RED 36T Max rear derailleur? October 16, 2020 21:34 Compatible 12-speed SRAM Road cassettes for the SRAM RED 36T Max rear derailleur are 10-36T, 10-33T and 10-28T. You can find the AXS compatibility chart here. Related articles What is the total drivetrain tooth capacity of the SRAM RED eTap AXS 36T Max rear derailleur? Does the SRAM RED 36T Max rear derailleur work with the SRAM AXS App? Is there a marking or indication on the rear derailleur to know if it is a 36T Max or 33T Max version? What are the main differences between RED eTap AXS™ and Force eTap AXS™? How do I size a chain for a 1x SRAM eTap AXS drivetrain? Comments 0 comments Article is closed for comments.