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Model S Plaid 21" recommended tire inflation

Kairide

Member
Jul 13, 2021
308
324
CA
I run 42 cold on my 21s. Slightly firmer ride (not a big deal with air suspension) but more protection from holes etc.
I think you have less protection if you hit potholes if you run higher psi. Also, you will get more wear in the center of the tire.
 

WilliamG

Active Member
Apr 20, 2019
4,593
6,476
Seattle, WA
I think you have less protection if you hit potholes if you run higher psi. Also, you will get more wear in the center of the tire.
No you don’t. And no you don’t. Over-inflation will cause more center wear. 42 is not over inflation.
 
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