Miche changed from ISO to JIS not long ago without really telling anyone which is probably where the confusion is coming from. It could be your lbs is telling you to put a 103 JIS BB into some older ISO arms to get a correct chainline
@B0N0R started
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Miche changed from ISO to JIS not long ago without really telling anyone which is probably where the confusion is coming from. It could be your lbs is telling you to put a 103 JIS BB into some older ISO arms to get a correct chainline