bicycle helmet(redirected from Bike helmet)
Also found in: Wikipedia.
bicycle helmetPublic health
A foam/resin composite protective device worn on the head of a bicyclist.
In a study of bicycle helmet efficacy, of 3,390 injured bicyclists, head injuries, hospitalisation or death occurred in 29% who wore helmets, and in 56% of controls; BHs decreased serious injuries to the upper and middle face by 65%; there was no evidence that they offer protection against serious injuries of the lower face.