Old 08-18-15 | 06:24 PM
  #23  
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Scooper
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Joined: Aug 2005
Posts: 10,488
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From: Santa Rosa, California

Bikes: Waterford 953 RS-22, several Paramounts

Originally Posted by JimboMartin
Thanks Stan! Would you happen to know the diameter of the seat tube? Maybe I can compare the two by counting pixels.
Cheers,
Jim
The seat tube outside diameter for both standard diameter tubing and OS tubing is the same: 28.6mm.

Digital calipers with accuracy of +/- 0.02 mm are really inexpensive (6 inch Digital Caliper | Harbor Freight).

This chart may help...

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Last edited by Scooper; 08-18-15 at 06:36 PM.
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