Texasplumr, my retired truck driver husband immediately noticed the same thing. Seems roadies don't use bike-mounted mirrors, see the "Fred" thread. I'm afraid I'm a "Doris" :/ We tour on big heavy bikes and have mirrors similar to the one in the picture above. We remove them whenever we transport our bikes and I notice immediately when I've forgotten to put it back on. Can't believe I crossed the country back in the day without one! Between BF and CGOAB, there must be a thread a week where someone gets hit. I like my mirror and I like having a bike that can bail out into the gravel!