Originally Posted by dddd

I am recalling the Super Champ Mod58 rims having quite-defined bead hooks, capable of retaining folding tires. I know of no exceptions and this was a popular rim for use on tandems (i.e. highest pressures).

So I am curious as to what your definition of "straight-wall" is(?).

NOS tires will not be a good choice for durability, performance or reliability. They wear fast and tend to come apart.