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20" Inch 20" Michelin Defender LTX M/S2

Ladiver

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Rivian R1T R1S 20" Michelin Defender LTX M/S2 IMG_5290

Efficiency has actually gone down! I think I will reset the counter and the truck. I have a hard time believing that a smaller, lighter a/s tire is less efficient than the stock A/T.
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texasBuzzard

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Thanks for sharing - I plan to do the same - wait for refreshed R1S and swap 20' for defender 275/65R20. Just hope load spec is 116 or better. Defender LTX M/S2 is currently available as 275/50R22 is my understanding Also the X-Ice is available for 22's
CostCo has the Michelin Defender LTX M/S2 in 275/55 R20 117T. It is not the 65 so SLIGHTLY less tall. I think I am going to get the BFG Trail Terrain T/A 275/60 R 20 $270 installed including tire warranty/road hazard and lifetime free rotations at CostCo!!
 

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Bad news. The manager at my local discount tire has been talking with Michelin regarding the 275/65/20 MS 2 tires. He just called me to inform me that they pushed the release date again. They are now scheduled to be released in December.
 

arbreg17

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Bad news. The manager at my local discount tire has been talking with Michelin regarding the 275/65/20 MS 2 tires. He just called me to inform me that they pushed the release date again. They are now scheduled to be released in December.
This is bittersweet, but ultimately Im glad the size is on the way. More options are great and I'm going to pick these up upon release.
 

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Man that's a bummer. Our stock pirelli's are starting to get really loud on the highway as we approach 15k miles. Wear seems okay though, just want the Micheline though...
 

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I am probably going to go with Michelin LTX 20" AS to replace my stock Pirelli 20" AT. I'll get better efficiency and a quieter ride. I am just not going offroad enough to use the ATs.

The question I have: can I stay with the Pirelli as my spare tire, or do I need to switch all 5? I've got a practically brand new spare, only swapped it out once with a flat tire and it has maybe 30 miles on it.
 

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I am probably going to go with Michelin LTX 20" AS to replace my stock Pirelli 20" AT. I'll get better efficiency and a quieter ride. I am just not going offroad enough to use the ATs.

The question I have: can I stay with the Pirelli as my spare tire, or do I need to switch all 5? I've got a practically brand new spare, only swapped it out once with a flat tire and it has maybe 30 miles on it.
Unless your rotating the spare through with the other 4 on a regular basis I think your fine just keeping it for emergencies. I've done this with other cars.

I sure hope they don't slip the December release of the 20" MS/2s...
 

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It's best to have all tires with the same size running...especially in AWD/4WD vehicles...as the drive wheels should be turning at the same relative velocity. I've never heard if the SW in the truck can compensate for it this difference...expecially if you have a dual motor version.

For the sake of caution, I'd swap out all 5 when it's time, and then do a 5-tire rotation. It's a little more of a hassle to dig that tire out during the rotations however, with the price of tires these days, you will get more out of a set. I think of it this way: I can drive 25k miles on the truck, but only net 20k on the tires (as one is always off the truck as a spare at any given moment).
 

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Hey an update in case it's not already out there. I chatted with Michelin on their website about the 275/65/20 Defender LTX MS2 and they said this...

"Yes, we are making defender LTX M/S2 tire with extra load Mud and snow rated and it is EV compatible, and it will be launched on 1st december 2024 "
 

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Hey an update in case it's not already out there. I chatted with Michelin on their website about the 275/65/20 Defender LTX MS2 and they said this...

"Yes, we are making defender LTX M/S2 tire with extra load Mud and snow rated and it is EV compatible, and it will be launched on 1st december 2024 "
By mud and snow rated I'm guessing this doesn't mean the three peak severe winter rating?
 

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KootenayEV

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I'm happy to see that the LTX M/S2 is slated to come out in the 65 series rubber. I have the OEM 20" Pirellis, have a set of Nokian Hakka's in 65 series, and don't live close to a Service Centre, so until they offer in-car ability to change the tire size (like my Model 3 has), I really need to stick with a tire that has the same overall diameter to keep life easy (and my total odometer accurate!)

So now I just need to decide between these Michelins or the new Goodyear ATs...
 

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Hey an update in case it's not already out there. I chatted with Michelin on their website about the 275/65/20 Defender LTX MS2 and they said this...

"Yes, we are making defender LTX M/S2 tire with extra load Mud and snow rated and it is EV compatible, and it will be launched on 1st december 2024 "
Yes! My pirelli's are starting to scream at 18k miles
 

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My name is Mike, and I have a (car) problem

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I’ve been waiting patiently but given the Boston weather, I don’t think I can afford to wait until December. (36.5k…)
Wow! You’re gone get featured on a YouTube video from Just Rolled In, Mechanic’s Nightmares, etc… Just as long as they don’t finish the clip with, “customer declined all repairs and drove the vehicle home”. :)
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