Originally Posted by OneGoodLeg

I don't remember the speed he was attempting to hit, but I know there is a horrific crash video of french rider who was trying to set a new world record by riding down the side of a dormant volcanoe and his custom made/composite bike came apart at the seams during the record attempt. He face planted, into a rag doll flip, and than continued to rag doll for a few hundred feet. He did not survive. It's an awfully tough video to watch.