What cassettes are compatible with the Force 36t-max rear derailleur? May 12, 2020 19:38 10-36, 10-33, and 10-28. Related articles What is the max cog size that is compatible with SRAM RED or Force eTap AXS™ rear derailleurs? Can I use the eTap AXS rear derailleur without the front derailleur to make a 1x drivetrain? Is there a marking or indication on the rear derailleur to know if it is a 36t-max or 33t-max version? Is there a different eTap AXS rear derailleur for 2x and 1x drivetrains? What 2x chainring options are compatible with the Force eTap AXS 36t-max rear derailleur? Comments 0 comments Article is closed for comments.