I think I would rather ride the 207 mph rocket bike
15 minutes long, but pretty amazing
http://velonews.competitor.com/2014/11/news/road/video-descending-col-de-la-madone_352989
.
Saw it a few days ago and my first + main thought was damn that’s narrow. Also the town at the bottom of that climb (Menton) is truly one of the most beautiful in that part of France.