The approach to Red Bull Straight Rhythm is always loaded with question marks. It sits right in the middle of the AMA offseason, when riders are changing things up and prepping for next year. It also happens to be a race completely unlike anything else in professional motocross.  In 2016, the questions only continued to circle the event, with the inclusion of the Alta Motors electric bike and, of course, the news that Ronnie Mac was coming in. But after an incredible night in Pomona, we were left with more than one moment that will live in motocross history.