Winter tire help

[Magnus042]

Hello everyone, need some opinions.
My R1T was delivered with the 21" wheel package.
I have a set of 20" Blizzaks from my last vehicle with a lot of life left in them.
Blizzak DM-V2 275/50R20 113S XL
I was thinking of grabbing a set of 20" rims to mount them on, these in particular:

FAST HD SUMMIT 20X9.0 5X127 / 5X139.7MM +30 87.1 SATIN BLACK
Fast HD Summit 20x9.0 5x127 / 5x139.7mm +30 87.1 Satin BlackWheel Size: 20x9.0Bolt Pattern: 5x127 / 5x139.7mmOffset: +30Centerbore: 87.1Load Rating: 2756 lbs / 1250 kgWinter Approved: Yes
thewheelshop.ca

Does anyone foresee any issues with this setup? the wheels will be 2.1 inches shorter overall, so i can't imagine any fitment issues, but your input would be greatly appreciated.
I'm hoping service will be able to quickly adjust my tire size in the truck's onboard computer.

Thanks in advance!

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[COdogman]

The only thing I see off the top of my head is the width. The Rivian 20s are 8.5” and those wheels are 9”. That doesn’t mean they won’t fit, but it’s worth noting.

 

[Magnus042]

Right you are! But it seems that the consensus is a 9” tire is the only way to get around Rivian’s unique offset.

 

[COdogman]

Right you are! But it seems that the consensus is a 9” tire is the only way to get around Rivian’s unique offset.

That’s true. There was a wheel thread a few months ago where someone had tried several different aftermarket wheels with varying offsets and his conclusion was that +18mm was the minimum, so anything above that can technically work. I would assume that a +30 and a 9” should work, but you know how that goes - sometimes it works on paper then you get it on there and it doesn’t fit. The Rivians also have bigger brake calipers than most trucks too. That could be a factor with some wheels.

Those are nice looking wheels. If you try it definitely share how it goes as I’m sure many others will be interested.

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