There is an association in France that is lobbying against helmets for bike commuters (and advocating them for competitive cyclist) and they have collected a pr

There is an association in France that is lobbying against helmets for bike commuters (and advocating them for competitive cyclist) and they have collected a pretty large amount of data on the issue: http://www.fubicy.org/spip.php?article191 http://www.fubicy.org/spip.php?article191 it turns out that head injuries are not very common when riding at slow speed. An helmet would actually be more useful for a pedestrian.