What is preventing the eTap Blip ports in the shifter from letting in water or other contaminants when Blips are not in use? December 03, 2019 17:39 Updated The shifters come shipped with plugs installed in these ports that seal out the elements. Related articles What is the warranty on eTap® and eTap® HRD components? What if I crash? Is there a crash mode for eTap 2x11 derailleurs? How far can I ride on a fully charged derailleur eTap® 2x11 battery? Can I adjust eTap 2x11 brake lever reach? Can I adjust the eTap 2x11 derailleurs while I am riding like you can with a barrel adjuster on a mechanical system? Comments 0 comments Article is closed for comments.