The core elements of the different types of helmet stay pretty much the same – a hard outer shell with a softer impact-absorbing liner, a chin strap and some kind of viewport – but there are ...

Important note: once a helmet has been in any sort of accident, it’s time for a new one. The shell and liner are designed to work once. Even low-speed incidents can compromise a helmet’s ...

My cracking technique hadn't changed, but it seemed like I was suddenly having to fish out little bits of shell all the time — something that was previously a rare occurrence. It turned out that ...