Those were Columbus Max chainstays, so still pretty chunky at the BB end. They've survived doing Vienna to Barcelona, so they seem up to the job.
Thanks Dan. Looks like there are a couple of Max chain stay types. Any idea which one you used?
@DougpieP started
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Those were Columbus Max chainstays, so still pretty chunky at the BB end. They've survived doing Vienna to Barcelona, so they seem up to the job.