Do I have to use a BlipBox in order to use Blips? Can I just plug in a sprint or climbing shifter to the shifter hood body? November 26, 2019 17:28 Updated There are two additional ports on both eTap® 2x11 left and right shifters that can be used without a BlipBox. Related articles What are the main differences between RED eTap AXS™ and Force eTap AXS™? How are eTap® Blips interconnected on a TT or Tri setup that does not use drop bar shifters? Are eTap™ Blip and Clic button functions digitally customizable? Can I shift the SRAM RED eTap 2x11 front and rear derailleurs at the same time? Are my carbon Vuka Shift AXS 90 extensions covered under the lifetime warranty? Comments 0 comments Article is closed for comments.