If my heart was set on the 25 mm rim, I'd buy it, test fit my existing tire on it and see if it works. That's knowing for sure. Everything else is just guessing.
If it was my bike, however, and my tire clearance was already tight, I'd be looking for a 22 mm wide rim to match the one that I already know just barely works.
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My greatest fear is all of my kids standing around my coffin and talking about "how sensible" dad was.