What disc brake pad compound options do you offer for Rival eTap AXS HRD brakes? We offer both organic and metal sintered pad compounds for disc brakes. See the "Recommended Road Rotor Size and Brake Pad Chart" in the eTap AXS Systems Manual for recommendations based on riding style and system weight. Related articles What size rotors can I use with Rival eTap AXS? What are the main differences between RED eTap AXS™ and Force eTap AXS™? Where can I order a front derailleur alignment tool to help setup my SRAM eTap AXS? What is the correct chain gap setting for the SRAM RED eTap AXS 36T Max rear derailleur? How do I create a new AXS App bike profile?