What 2x chainring options are compatible with the Force eTap AXS 36t-max rear derailleur? May 12, 2020 19:40 All of them: 43/30, 46/33, 48/35, 50/37. Related articles Is there a marking or indication on the rear derailleur to know if it is a 36t-max or 33t-max version? What cassettes are compatible with the Force 36t-max rear derailleur? What chainring size options do you offer for eTap AXS™? Do you need to use the wider gearing option front derailleur with the new Force 43/30 crankset? What is the max cog size that is compatible with SRAM RED or Force eTap AXS™ rear derailleurs? Comments 0 comments Article is closed for comments.