Yes, it seems wheel damage is often confined to the flanges where the beads are and the exterior (curb rash). And I certainly see the good in a larger diameter. Just make it so that the local teenage tire jockey isn't likely to damage it while manhandling the rims on the tire changing and balancing machines. Actually, make sure the rims will FIT on standard tire changing equipment.
Speaking of tires, what is the strategy for dealing with flats? Does the spare have a motor on it too? If you run snow tires on their own rims now do you have to stop doing that and change tires on the rims 2x/year, or are the rim components cheap enough to make multiples affordable?
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