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Old 06-25-19, 08:04 PM
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Join Date: Jun 2010
Location: Medford MA
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Bikes: Ron Cooper touring, 1959 Jack Taylor 650b ladyback touring tandem, Vitus 979, Joe Bell painted Claud Butler Dalesman, Colin Laing curved tube tandem, heavily-Dilberted 1982 Trek 6xx, René Herse tandem

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Originally Posted by jeirvine View Post
Could you post pictures of the blocks and results? I'd be interested in doing this on a bike or two.
Here at long last, I have not forgotten about you

Chainstay squeezing blocks, I filed them with the raspy part of a cheap 4-way file, which is a little domed so it helped to make a round divot. I made the inner one flatter because, well, I wanted the inside of the chainstays flatter.

And here's the resultant squashed chainstays. I probably could have taken better care of the outside to not indent it so much, but I think it will be just fine. My Colin Laing tandem is the same way from-factory and it looks fine.
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