Originally Posted by
Riveting
Nice setup. Though I personally wouldn't route any wires inside/under the fender. There's too many rocks and sticks flying around inside that space at high speeds and with a lot of torque, which could snag/cut/short the tail light wire. I rely on my dynamo to provide light in the pitch black, and wouldn't want a rock or stick to jeopardize that.
I couldn't agree more. The wiring needs to be protected. I have a page showing how I wired one of my own bikes, though I can't link to it.