It has been a while but I will throw my hat in the ring for this one. I recently bought out a ton of Huffy parts and included in the deal was later rail frame with enormous dropouts welded on. As I dug farther into the pile I also found a handful of early Huffy disc brakes and wheels. Included among them was this 20" wheel with an enormous pie plate. I thought maybe I could slap it on the big dropout frame but the caliper part was not meant to fit the rail frame. After sorting a ton of parts I eventually figured out that one of the calipers had been modified, I tried it and it for the Rail like it was made for it. That leaves me here starting my build with this... The plan is to load it up with Huffy and/or period correct parts. Still lots of parts to be located and bugs to be worked out.