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Jon.-
Safe to use then, I assume?
Yes, I think that odd mark, like the one on the end of the crank by the pedal eye which @umop3pisdn showed, is a feature not a bug. Something very strange has to happen to the flow of the metal as they form the hollow up the length of the crank, and it's impossible to get it to join up in nice neat lines.
gbj_tester
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