Overview: It is ten years since wearing a crash helmet became compulsory, but today you're still 25 times more likely to be killed riding a motorcycle than driving a car. Helmets are vital, of course, but just how safe are they? Are the tests conducted by the British Standards Institution (BSI) good enough? Does the BSI pick the right designs to reduce death and injury in the future? In a special report Tony Baker investigates the helmets you can buy in Britain. Over in Holland, Frank Page tries out Saab's latest offering which sports a 16-valve engine, and nearer to home turns his hand to DIY panel beating.