I see those on Ebay all the time starting at $300 US $. I did some checking and they are made for a frame with 1" less space between bearings where they pivot on the frame for steering. Then there are many of the problems mentioned above. All can be over come but I decided it wasn't worth it.
There is a guy selling complete front ends with wheel,caliperand mount,headlight,risers ,and bars. They are made either 1" too tall or 1" too short too, but they make a bottom rocker to lower 1" you would have to buy seperately. The complete set up I found was about $600 US $.
