Quote:
Originally Posted by FlashUNC
The real mystery is why that chainstay wasn't crimped to make room.
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That's a valid option, but if it's a Serotta, I think it's safe to assume it was built properly and crimping the chainstay was not necessary nor part of the design. Many builders either ovalize the chainstay or use chainstays that are oval by nature.
Before purchasing a longer BB axle, I'm in the camp with the others, and I'd measure the chainline to verify the chainrings are not at the 43.5mm standard position from the centerline of the bottom bracket.