Bent derailleur or eyelet? It's kind of obvious, but are you using a 9-speed chain? Poor indexing by Microshift maybe?
The indexing is okay I used it with an other derailleur without problems. I suspect the derailleur to be bent but you can't really see it...
@kjlem started
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Bent derailleur or eyelet? It's kind of obvious, but are you using a 9-speed chain? Poor indexing by Microshift maybe?