Originally Posted by noglider

Good idea, clubman.

I recently bought the fancy SKS "chromo-plastic" fenders for my Surly Cross Check. The LBS owner who sold them to me pointed out that the longitudinal center is plastic, isolating the sides, electrically. This means, he pointed out, that you can insert a wire into the end of each side and use the aluminum sides as conductors. Thus, you can mount a taillight on the end, without any wires running along the fender.

Cute, huh?