If you have SKS fenders, they are plastic with aluminum strips inside (at least the old ones are). I have carefully cooked through the plastic on the underside and soldiered a wire to the aluminum strips. They are VERY thin, so this takes some patience. It looked fantastic and worked for about two years, but I did have some problems with the wire at the non-light end comming disconnected from the fender strip. I totally cooked the fender out of frustration trying to keep re-soldier the wire for good. If you can solve that, it would be cool.