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Measured Tire Height

Discussion in 'Tires & Wheels' started by RWB713, Mar 13, 2019.

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  1. RWB713

    RWB713 Richard SXS Nation Rookie

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    2018 Polaris RZR XPT4

    This conversation started over in a couple build threads and probably need it's own topic..

    Tire manufactures frequently don't hold true to the advertised size on SxS tires, or can be awfully inconsistent in their manufacturing, what everyone getting for actual measurements on their tires:

    My 32x10x14 Pro Armor Crawler XG's only measure about 30.75" @ 10 psi, 31" @ 25 psi...

    @Curt @kscfire @Seastacker
     
  2. kscfire

    kscfire Paul Event Coordinator

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    2017 Polaris General Ride Command Edition

    I have 30" x 10" x 14" Roctanes on STI HD5 5-4 offset beadlock wheels @ 8-9 lbs. air pressure. I went out and measured them, 29 1/4-1/2" high.
     
  3. Curt

    Curt Administrator

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    I'll have to measure my 32" XR Crawlers when I get home. They sure look a lot bigger than my 30" Motoclaws.
     
  4. Seastacker

    Seastacker Carl Moderator

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    I will get mine measure here shortly and get it posted here and in my build thread. Good topic for sure.
     
  5. Seastacker

    Seastacker Carl Moderator

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    My 30” crawler xg’s are at 15 psi and look to be just over 29” at the top of the crown. I imagine I will land somewhere closer to 10-12 psi and will run a solid 29”. I hope at least.

    A little hard to tell in a picture, but...

    DB471B69-C1AA-4FC3-A6FE-3D26908C23E8.jpeg
     
  6. RWB713

    RWB713 Richard SXS Nation Rookie

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    Sigh.. i just feel that an inch is too far off in the tire world, i could understand 1/2"... but i always have too high of expectations
     
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  7. Seastacker

    Seastacker Carl Moderator

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    I can’t help it.... That’s what she said! Lol

    In all seriousness, they all seem to run a bit short, some worse than others. I think if I aired these up to the max which Im pretty sure is 22 psi, they would be damn close to 30”. Issue is none of us run that much air.
     
  8. RWB713

    RWB713 Richard SXS Nation Rookie

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    Probably wouldn't complain if it were 1" the other way either! lol

    Mine won't even get there at 40 psi, they barely break 31" with no load on them at all. I can understand them being short due to tire pressure and contact patch, i get that... but damn guys.. get close at least. Pretty soon it'll be like the car industry releasing the 2020 model in March of 2019.
     
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  9. airshot

    airshot Ken SXS Nation Team Leader

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    Look at buying a 2x4 ..now they are down to 1 3/8 x 3 3/8... in a few more years we will be getting toothpics for 2x4's.
     
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  10. Rockin Ronnie

    Rockin Ronnie Ron Moderator

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    And don't forget we don't always mount tires on the recommended rim width and that will change a tire height.

    My 30x10'' bighorns at 10 psi measure 29.5
     
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  11. RWB713

    RWB713 Richard SXS Nation Rookie

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    That definitely does play a large factor, and i have thought of that. mine are mounted at the bottom end of the recommended range, 10" tire on a 7" wheel, 7-9 rec.

    My 30x10'' bighorns at 10 psi measure 29.5[/QUOTE]

    and warped toothpicks at that even
     
  12. DieselFume

    DieselFume Adam Moderator

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    2013 XP 800 Ranger, Three 2017 Polaris 570 Full Sizes. All subjected to hard ranch work, long hours and rough conditions. 5 years or bust!

    Don't know if you're just looking for the 30"+ sizes, but I've found with the 26/27" stuff that it varies ALOT between mfg's. Usually on the small side.

    Getting a tire that actually measures to advertised height is really a trick. So far the Kenda Bearclaw HTR's I'm running have been really close. Same with the Maxxis Bighorns.
     
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  13. Jaybey

    Jaybey Joe SXS Nation Expert

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    I just measured my new Kanati Mongrel 27x front and rear both measured 26.75" at 20 psi.
     

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