I purchased a cold cathode kit and two latern batteries and wired it up to my steel bicycle. This light is ostentatious and really gets car’s attention. The whole setup took one hour, and $35 after shipping of the computer cathode kit.
Cathode Tube Off:
Cathode Tube On:
It was a great DIY project, and could really keep someone safe on their bike commute
I even took video footage. (music was scrapped by youtube)
(I originally posted this on my road bike review blog February 18 2008)