I have another older bike from the 80s that has
eyelets for a bike rack near the rear hubs.
But, it doesn't have bosses on the seat stays.
Is there a rack that attaches to the eyelets,
and then uses a clamp to attach to the seat post?
I think that I've seen these, but I can't
find them. Who are the manufacturers, or
where can I get them?
(I'm already familiar with the P-clamps.)