The bike helmet is designed to protect the head from shock and attenuated impacts to the head of a bicyclist in drops. Even if the helmet is not damaged, it can be breakable and fractured in places that are not…
The bike helmet is designed to protect the head from shock and attenuated impacts to the head of a bicyclist in drops. Even if the helmet is not damaged, it can be breakable and fractured in places that are not…