I agree and have proof. I had one of these sat in my garage ready to fit to the bike; I thought better of it when I saw one snap on a dirt ride. The rider didn't crashed, nor had it taken a hit in the past. The mounting tab just sheared from the vibration/impacts of the bike. That's why were are pulled over at this part of the video below (rewind the video to see the sort of riding that it couldn't handle) <iframe width="560" height="315" src="http://www.youtube.com/embed/2FU2htWMzKc?rel=0#t=06m15s " frameborder="0" allowfullscreen></iframe> These things are designed for keeping paper manuals dry on tractors that do 15mph. Not Advriding, IMO.