One of my Paramounts is a 25", though I am not as tall as you it is the most comfortable as I can not bend too far over due to a back issue. My wife rides a small one! My others are 24" and are not uncomfortable, but the 25 is best.
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1971 Paramount P-13 Chrome
1973 Paramount P-15 Opaque Blue
1974 Raleigh Professional Blue Mink
1991 Waterford Paramount
Holland Titanium Dura Ace Group
Holland Titanium Ultegra Triple Group