Originally Posted by cyccommute

The Giro helmet linked suffers from the problems I listed above. I know that some people, perhaps most, don't use helmet mounted lights but their utility is so great that you should consider using them. While a handlebar mounted light does illuminate the road when the road is straight, in curves it points away from where you really need the illumination. A helmet light points into the curve and allows you to shine light where you really need it. The motion of the lamp as you ride is also as eye catching...if not more so...as a flashing light. The Giro's design makes mounting a helmet light difficult.