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2021 MYP Uberturbine 21" to 20" Aftermarket Wheels... 30 pound weight savings

After 15 months and 23000 miles on my '21 MYP I decided to downsize from factory 21" to aftermarket 20" wheels. On the Pirelli Pzero, the front tires had 50% tread, and rear tires had 25% tread, so plenty of life remaining.

The handling for my MYP on 21" always surprises me, I'd get myself carsick driving through mountain passes before the car shows any signs of getting close to the limit.. but my biggest gripe is how rough the car rides while being daily driven (you start noticing a lot of stuff on a 1.5 hr commute). And now, with 20" tires the car rides noticeably smoother. I also noticed a reduction in road noise, and on the interior, the super annoying rattles decreased significantly.

Weight/Range difference.... This is probably the most surprising... Dropped from 63 to 54 lbs per corner! Forgot to weigh the rear wheels so I'll round the difference to 30 pounds.

The internet has a lot of information about unsprung weight but I personally dont know if this will give extra performance or how much more range this translates to.... but with my commute being 80 miles a day, I'll probably find out pretty quickly.

Tesla Uberturbine (cast?) 21x9.5 21x10.5
Pirelli Pzero 255/35/21 275/35/21

VMR V802 20x9 / 20x10" Flow Formed (tires fit much better imo)
Continental Extreme Contact 255/40/20 275/40/20

Total damage: ~$3000

I also bought a new set of sensors from Tesla, because i dont want to deal with pulling them out of factory 21".

If I were to do this all over again, I'd definitely choose 20".... With the added bonus of 20" tires being $1200 compared to $2000 for 21's. I might even do same size front/rear just for ease of rotations... I have a feeling I wont notice much of a difference.



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