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This is a great thread, but I need someone to ELI5 this for me. I have the stock 21s today. My driving is primarily road, with snowy backroads to deal with in the winter. Off-roading, if ever, would be extremely light.
I”m fairly certain I’m going to need something more appropriate than the stock 21” tires for PA winters. I understand tire geometry, aspect ratio, etc. but all this offset stuff has my head spinning.
I’m thinking that I’ll want something in a 20” (since going much smaller doesn’t seem possible) good winter tire, but I don’t want the tire to rub in any of the ride heights, and I also don’t want the tires to protrude any more than necessary. Can any of the tire physicists on this thread suggest a wheel size/tire that might fit these requirements? I suspect this or a similar ask will be a FAQ, especially if Rivian claims that they are the single source for wheels/tires. IMHO they won’t be helpful in helping us choose tires if that’s their attitude.
 

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Fair enough, I’ll start another “Winter Tire” thread. The reason I posted in this discussion about wheels is that at least for the foreseeable future, there are limited aftermarket wheel options, which will similarly limit tire options.
 

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My delivery specialist said to contact Rivian support if I ever change tire sizes so that they could adjust the speedometer. I don’t know if they’d still do that for non Rvuan-acquired wheels/tires.
 
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