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@Alc
I have a couple of road bikes, one has a compact chainset on it, 50t and 34t rings, the 34 is completely useless IMO, used to ride with a 12-26 cassette on it and would be fine for getting up pretty much anything with that (on the 50t ring). Have recently changed the cassette to a 11-21 though for tighter ratios. Other road bike is 53/39 and 12-25 cassette, spends the majority of its life in the big ring too.
Fixed ratio is 47-17 so 72.3gi
You would possibly be fine with the 52t ring but depending on cassette size used it might be better to switch the front ring to something in the 47-50t range