Will the Force 36t-max derailleur work without a front derailleur? May 12, 2020 19:41 Yes. All SRAM RED and Force eTap AXS derailleurs are designed to be used in both 1x and 2x drivetrain configurations. 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 2x chainring options are compatible with the Force eTap AXS 36t-max rear derailleur? What is the weight difference between RED eTap AXS™ and Force eTap AXS™? What cassettes are compatible with the Force 36t-max rear derailleur? What are the main differences between RED eTap AXS™ and Force eTap AXS™? Comments 0 comments Article is closed for comments.