This is a great article that shows if necessary that wearing a Casqu’en ville (a helmet in the city) avoid 70% of bad accident once on your bike. In addition, wearing a Casqu’en ville is a good way to keep your head away from wind, rain and dust… and wearing a Casqu’en ville is funny and fashionable…
http://www.santemagazine.fr/actualite-le-velo-de-plus-en-plus-mortel-500…
