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Old 08-06-2019, 08:36 AM   #4 (permalink)
Ecky
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If you choose to use a larger rim, lower profile tires typically have harsher ride quality but may have sharper steering response. The larger rim will have a much higher moment of inertia (feels much slower) since the mass is farther from the center of rotation, and they tend to be heavier on top of that. From a performance and efficiency standpoint you want the smallest rim possible that still gets the tires you need.

Going a bit narrower may be beneficial. I would keep approximately the same diameter, give or take a percent.
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