> because his helmet restricted his vision That's impossible with the most common type of bicycle helmets[1]. Full-face helmets that look like those used on mo

> because his helmet restricted his vision That's impossible with the most common type of bicycle helmets[1]. Full-face helmets that look like those used on motorcycles should be restricted to downhill cycling. [1]: http://www.bellhelmets.com/cycling/helmets/recreational/ http://www.bellhelmets.com/cycling/helmets/recreational/