runningdenver
Well-Known Member
My R1S came with the 21 inch wheels, and I ended up buying the 20 inch R1000 wheels with Nokian Hakas from EVS. I switch them myself. I have a GPS radar which accurately shows the speed. The rivian speedo exactly matches the GPS radar in both tires, telling me no recalibration was needed between the two. I spoke to Rivian and they agreed. So now I switch them out before / after winter, and prolong the life on both sets, but don't need anything calibrated.
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