New 22-inch Staggered Wheel Availability?

[Killer95Stang]

Did someone verify the sizes? I saw a set unmounted the other day and they were 335 rears if remember right , but I'll try to get a pic to verify. Those staggered wheels/ tires will be needed if you plan on hitting the 1/4 mile times that they were getting during the press test drives a few months back. The standard 22" scorpions get scorched at launch and can't handle all the torque.

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[UnsungZero_OldTimeAdMan]

Did someone verify the sizes? I saw a set unmounted the other day and they were 335 rears if remember right , but I'll try to get a pic to verify. Those staggered wheels/ tires will be needed if you plan on hitting the 1/4 mile times that they were getting during the press test drives a few months back. The standard 22" scorpions get scorched at launch and can't handle all the torque.

I think Hammoud misspoke, he said front is 1" wider than rear (most likely the other way around). 275 F/305 R.

 

[schalliol]

The Michelin Defenders are now available in 21" so you don't have to keep using Pirellis. Search through the forums there are multiple threads including:

https://www.rivianforums.com/forum/...helin-defender-ltx-m-s-2-275-55-21-380.15645/

https://www.rivianforums.com/forum/threads/michelin-new-tire-gives-70k-warranty-for-rivian.32473/

https://www.rivianforums.com/forum/...m-s-2-275-55-21-vs-oem-21s.32757/#post-613386

Oh yeah. I had mine delivered on day one Tire Rack got them and am in these threads. The Staggered Summers are cool though!

 

[Killer95Stang]

Okay... these are the sizes

315/35/22 XL rear
275/40/22 XL front

About $750 - $1000 ea for the rears ?

 

[madhat]

Dang. 20% less sidewall in the front. Unless rivian lets us put in that size when they eventually allow us to switch wheel sizes in the computer on our own, that’s a lot of difference in overall diameter.

 

[UnsungZero_OldTimeAdMan]

Okay... these are the sizes

315/35/22 XL rear
275/40/22 XL front

About $750 - $1000 ea for the rears ?

Saw a photo today, that someone took at the Portland event. Sidewall showed 305. Performance rubber is definitely not cheap. Won't last long either. Gotta pay to play.

 

[UnsungZero_OldTimeAdMan]

"275/50R22 up front and 305/45R22 out back"
From MotorTrend review on gen2 Quad: https://www.motortrend.com/reviews/2025-rivian-r1s-quad-motor-first-test-review/

 

[sub]

Has anyone heard of the 305's are mounted on the same 8.5" wheels that all of the other trims come with or are they on wider wheels?

If the rear wheels are wider it would be annoying for everyone who wants to go with a square setup for their winters. And since the factory tires are going to be summer tires pretty much everyone is going to need a set of winters.

 

[CANCERDOC]

Okay... these are the sizes

315/35/22 XL rear
275/40/22 XL front

About $750 - $1000 ea for the rears ?

This is not correct. Front will remain standard 22" size, and rear will be a lower profile 305 tire.


The new Rivian R1T/R1S Ascend Quad Max has a staggered tire setup with the following wheel sizes:

• Front: Michelin Pilot Sport SS HL275/50R22 116V
• Rear: Michelin Pilot Sport SS 305/45R22 118V

 

[MacO512]

All these posts speculating that Michelin might sell the tires exclusively to Rivian. Have you ever heard of that for any tire brand or any vehicle?

I extremely doubt that would happen, Michelin might just not have the tire available to purchase until the gen2 quad is released or a few months after. That is very common.

 

[SANZC02]

This is not correct. Front will remain standard 22" size, and rear will be a lower profile 305 tire.


The new Rivian R1T/R1S Ascend Quad Max has a staggered tire setup with the following wheel sizes:

• Front: Michelin Pilot Sport SS HL275/50R22 116V
• Rear: Michelin Pilot Sport SS 305/45R22 118V

They are not lower profile just wider.

 

[UnsungZero_OldTimeAdMan]

They are not lower profile just wider.

Sure is. That 2 digit number is percentage, of width.

 

[CANCERDOC]

Sure is. That 2 digit number is percentage, of width.

Overall height is the same. Going from roughly a 10% lower aspect ratio but also 10% wider maintains the same height and sidewall thickness front and rear roughly.

 

[UnsungZero_OldTimeAdMan]

Overall height is the same. Going from roughly a 10% lower aspect ratio but also 10% wider maintains the same height and sidewall thickness front and rear roughly.

Yes. Just pointing out what those two digits are. % of width in mm (3 digits ahead of the slash) yields height of sidewall.

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