Originally Posted by BobbyG

I would take advantage of those threaded mounting bosses on the fork. I'd get some small washers and wrap the wire around them to string a fairly straight and taut wire from one to the other, or even just use the washer (perhaps in conjunction with a soft rubber grommet, or just a grommet) to gently hold the wire against the fork, being careful not to crush the wire. If you were to find some blue-insulated wire that may even look less obtrusive. Or if you found replacement bolts with slightly larger heads, you may not need the washers. Or of you just used some sort of looped hanger that could be secured with the bolts.