If you're still looking, I have a pair of Specialized folding tyres that a v narrow and almost certainly 1" or less. I think they're the white/gumwall type. I can pull them out/confirm the width, let me know.
Thanks, can you check that they're 630's (and not 622) also the width?
@walkmanman started
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If you're still looking, I have a pair of Specialized folding tyres that a v narrow and almost certainly 1" or less. I think they're the white/gumwall type. I can pull them out/confirm the width, let me know.