Originally Posted by
cyccommute
I've not had any of the Magicshine (brand or clones) fail but stuff happens and depending on a single light...including a dynamo light...can leave you stranded in the dark.
Many of these lights come a head mount that can be adapted to helmets as well. A helmet mounted light is even more useful than a bar mounted light because the light goes where you point your head which you do when you look at something.
The risk of failure is why I insist on using 2 lights now - one helmet, one bar. I have definitely had lights fail, and have unfortunately learned this lesson the hard way. Most recently, my Cygolite Mitycross died. It has decided that it will turn on/off/blink whenever it pleases (but not when I want it to). Not ok.
I like to keep the helmet on blink so that I can shine it at cars to alert them when they are pulling out into traffic (hopefully not in front of me).
Everyone thinks my helmet light is a Go Pro. It's the most frequent question I have gotten for years. Do others get this?