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Some earlier RAMs have 20x8 spare steel wheels in the same bolt pattern, but with the offset, they'd stick out an inch past the stock wheels. The RAM spares have an offset around 19-20mm and a hub/center bore of 78.1mm from what I'm seeing. This is the closest I've found, but the Rivian wheels/tires sit pretty flush with the body work, so no clue how much room you'd have without hitting the fenders.
But then you have to buy 5.Offset and backspacing are both important WRT fitting over brakes.
yes full size spare is identical wheel and tire. Can do a 5 wheel rotation this way. So your tires will last 20% longer!
Ken
KenJ is spot on. It’s called the king pin angle and it is critical to handling performance not on dry and snowy conditions. You have to match the offset nearly exactly to get the force vectors going through the right spot of the contact patch, especially with Rivian’s unique suspension system (I know the image below is a two arm linkage where Rivian has a tweak on it both front and rear). And, yes, of course the spokes have to be shaped properly to not interfere with the caliper housing.
They look nice and are forged, but cost is $1,600 each.
Those look to be resellers of the Variant wheel that forum member @Mark_AZR1T had done for his R1T. Not sure on rubber.
Interesting, much more reasonable pricing.
Yeah, those look good, but you're still looking at ~$4500 and we don't even know for sure if they'll fit. I really wish we could just go buy a set of 4 20" with TPMS and tires direct from Rivian.
I did the fitment and worked with the design for these wheels and they are on my personal R1T today. Better fitment than OEM, weight is 12lbs total less and for 5,000 miles they've been amazing. Rivian does sell factory 20's for $1550 each....it's just difficult to find them.
