>>936453If you are at the stage of your bicycling career where you can not lose control at such speeds and save yourself simply by putting a foot down, you are one of the few who should wear a bicycle helmet as a matter of course.
>>936498There's no evidence to suggest that it is better than nothing in such impacts.
>>936664Pedestrians regularly bump into each other and far greater speeds without doing any lasting - or even instantaneous - harm.
