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 What 2x chainring options are compatible with the Force eTap AXS 36t-max rear derailleur? Is there a marking or indication on the rear derailleur to know if it is a 36t-max or 33t-max version? 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.