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Model Y aftermarket suggestion

djanka381

Member
Apr 3, 2021
20
6
Waterloo, Ontario, Canada
Hi all,

I have my 2021 Model Y that came with OEM rims and tires. Since it was in the middle of winter I put brand new Michelin X-Ice tires on OEM wheels and saving original tires for some nice rich-look fat fancy rims but I got lost here...

I would like to specifically buy Direct Fit (no ring adapters, using OEM lug nuts, etc.) "Black Widow" rims for my Model Y but not all of the OEM specs quite match to desired rims.

OEM rim specs are:
*Size 19x9.5
*Bolt pattern 5x114.3
*Center Bore: 64.1
*Offset: +45
*OEM Tire Size: 255/45-19

...so now my questions are:

1. Can I go with narrower rim, like 19x8 or 19x8.5?
2. If I go with bigger Center Bore I would have to use ring adapter, correct? I assume I can't go with lower Center Bore, correct?
3. How much can I deviate in terms of offset to be safe (5mm, 10mm, etc.)?

Your answers/suggestions/ideas are greatly appreciated.

Thank you!
 

jcanoe

Active Member
Oct 2, 2020
2,112
2,089
Maryland
You also need to consider the Tesla Model Y gross axle weight rating (GAWR), tire load index when fitted with 19" wheels.

GAWR (front) for all wheel sizes: 3005 lbs
GAWR (rear) 19" wheels : 3607 lbs *
GAWR (rear) 20" wheels : 3307 lbs
GAWR (rear) 21" wheels : 3505 lbs

19" tire load index 104 (1984 lbs) *
20" tire load index 101 (1819 lbs)
21" (front) tire load index 98 (1653 lbs)
21" (rear) tire load index 103 (1928 lbs)

* If you use narrower 19" wheels the weight rating must be at least 1804 lbs per wheel; tires for the narrower wheels need to have a load index of 104.
 
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