Will 11-speed SRAM RED eTap™ levers communicate with RED or Force eTap AXS™ electronic derailleurs? May 23, 2019 17:50 Updated No, they will not. eTap AXS™ is not compatible with 11sp. Related articles Can RED and Force eTap AXS™ be fitted to a bike that is currently compatible with 8, 9, 10 or 11-speed groupsets? Is the rear derailleur shift speed faster than 11-speed RED eTap™? Do RED or Force eTap AXS™ have smartphone connectivity? Related: Do I need a USB dongle for potential firmware updates? Are RED and Force eTap AXS™ shift levers compatible with Eagle™ AXS™ rear derailleurs? Are the frame fit specs for RED eTap AXS™ road different than 11-speed RED eTap™? Where can I find the frame fit specs?