Don’t know anything about these, but it looks like a nice higher-end Panasonic for the money, even if it’s incomplete.
Panasonic DX-4000 Handmade – $140 (North End)
I have a 1983 Panasonic DX-4000. 20″, good shape with nice lugs.
Specifications (as pictured, not necessarily per factory)
* Champion Motocross tubing by Tange
* Araya Alloy Rims laced withShimano hubs
* Suntour cyclone M-II front and rear derailleurs.
* Sugino Custom drop-bars
Needs petals, seat, chain and brakes.
Edit: there’s also one being auctioned here: