Originally Posted by
unterhausen
Don't think so, unless it's bonded. The rear triangle looks to be steel given the way the dropouts and the bb are attached. The front triangle has really interesting construction. This is one bike where I would support removing the paint so I can see how it was made. The frame might be okay as a rider, hard to tell from here.
should have suggested the magnet test. I would consider this frame the basis of an errand bike where the only lock needed would be the “keep honest people honest” security level.