Does SRAM make a head unit that is compatible with SRAM RED eTap? August 13, 2015 15:51 Updated No, SRAM does not make a compatible head unit at this time. Related articles Can the SRAM RED eTap 2x11 components communicate with my iOS or Android device? Does the eTap 2x11 front derailleur know where in the pedal stroke I am and time the shift accordingly for optimal shifting? Can I record and display my gear selection on a head unit throughout different points in a ride? Will SRAM make periodic eTap 2x11 firmware updates? Can Quarq power meter data be combined with gear selection data using SRAM or Quarq software when using SRAM RED eTap 2x11?