I fixed the same issue by making my chain slightly less tight (even a slightly too tight chain is grindy as fuck and you can feel it through your feet) and by tightening the bolts on my chain ring. Try that?
@Sam_Farrow started
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I fixed the same issue by making my chain slightly less tight (even a slightly too tight chain is grindy as fuck and you can feel it through your feet) and by tightening the bolts on my chain ring. Try that?