Watch this "Why We Shouldn’t Bike with a Helmet"
Read this "Australia's Helmet Law Disaster"
and this "The ASNZS2063 standards for bike helmets requires a helmet dropped from 1.5m to have a and impact deceleration of less than 250gn. That’s the equivalent of hitting the ground at a bit under 20kph."
“Statistically, if we wear helmets for cycling, maybe we should wear helmets when we climb ladders or get into a bath, because there are lots more injuries during those activities.” The European Cyclists’ Federation says that bicyclists in its domain have the same risk of serious injury as pedestrians per mile traveled.
And Monash University study justifies mandatory helmets for drivers.
'The most common severe or fatal injury to car occupants is to the head' so why are only cyclists expected to wear helmets?