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The 'Schwinn Approved' Rims have a logo very much like the Weinmann world-champion logo from the early 1970's. They cut off the logo and put 'Schwinn Approved <====*====> France' to the right of the world champion logo.
If you want to use Super Champion Arc-en-Ciel (Rainbow) rims, then I think it's also a good choice. They weigh 330 grams, just like the '330' label on the Weinmann / Schwinn Approved rims. I did some study on some new clinchers for my 1974 P13-9 and I think Schwinn shipped super champion clincher rims on some other early 1970's Paramounts.
- Don Gillies
San Diego, CA, USA