1973 Schwinn Paramount Ladies frame, 51cm c-top. 27.2mm post is a snug fit, but goes in. Frame has surface corrosion, so I'm sure just a wire brush scrub would allow the 27.2 to fit well.
Additional info below, taken from Bob Hufford's, Schwinn Lightweight Data
Book at this page link:
http://www.geocities.com/
1973 PARAMOUNT P10-9/P60 (tourer) Model P10-9 (Men's), Model P60 (20", 22" Ladies'). Seven standard frame sizes, made to measure frames at extra cost. Frames made from double butted Reynolds 531 tubing. Chrome tipped fork and stays. Round head badge. Deluxe Touring Paramount: 10 speed. Same as P15-9 but with 49/52 crank set and 14-16-18-23-26 freewheel cluster. Available in all Schwinn colors (not full chrome). $450.00 (Jan. $350; Feb. $425; Apr. $450).
Ciao, Mark Agree Southfield MI USA ~ ~ ~
Date: Fri, 26 Dec 2008 10:12:22 -0600 From: Mark Stonich <mark@bikesmithdesign.com> To: <classicrendezvous@bikelist.org> Subject: [CR]Lightweight "Woman's" frames. Seat post diameter?
Schwinn Paramount, Cinelli, Colnago, Grandis and I assume others, built lightweight "Woman's" frames (not mixtes).
If any of you own one, or have a significant other who does, I would appreciate knowing the seatpost diameter. This will tell me the wall thickness used in the seat tubes.
It's time to build Jane a new, lighter bike. Since building her 531 mixte in '80 I have come to the conclusion that the mixte is the superior design only when lower grade steels are used. They sure are pretty though.
Mark Stonich; BikeSmith Design & Fabrication 5349 Elliot Ave S. Minneapolis, Minnesota 55417 USA Ph. (612) 824-2372 http://bikesmithdesign.com http://mnhpva.org
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