Stop this. It's really dumb that there is a group of bicyclist insisting helmets don't protect your head. There is a similar group of motorcycle enthusiasts and

Stop this. It's really dumb that there is a group of bicyclist insisting helmets don't protect your head. There is a similar group of motorcycle enthusiasts and every day there are a few less of them. Hit your head on the cement with and then without a helmet on and you will see. They work without question.