Originally Posted by BC59
If the specs are the same as 1960 it has 19.5 wheels

A 19.5 is a tubeless tire with an equivalent profile as an 18" tube type tire. The wheels in the pic are definitely 20" tube type, but I can't see enough of the rear wheel to tell if it's a RH-5 "widowmaker" or one of the relatively safe 2 or 3 piece "split rim" wheels with an outboard lock ring.
Jerry

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