if I remember correctly, an ISO crank on a JIS BB will sit further out. I think the chainline difference is something like 2mm?
Yeah you're right. And there's a few different estimates online for how many mm difference it makes ~ 1-4mm outboard offset per crank.
@Ndeipi started
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if I remember correctly, an ISO crank on a JIS BB will sit further out. I think the chainline difference is something like 2mm?