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35" Nitto tire tread available.

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#23 ·
Driving Line magazine did a review on them and it stated the following(edited by me just for the good part)
  • SEPTEMBER 17, 2021
  • Story By Ricky Berry

"KOH Design Origins
.......The sidewalls are reinforced to avoid punctures using the research developed from the grueling King of the Hammers conditions. A major benefit to all the Trail Grappler SXS tires though is the race compound. This means all the Nitto SXS tires are a true “sticky,” providing the ultimate traction in rocks or hard-pack surfaces"

Just ordered my 33's
I'll post a review when they arrive and first ride impressions.
 
#25 ·
Stevemack said:
Driving Line magazine did a review on them and it stated the following(edited by me just for the good part)
  • SEPTEMBER 17, 2021
  • Story By Ricky Berry

"KOH Design Origins
.......The sidewalls are reinforced to avoid punctures using the research developed from the grueling King of the Hammers conditions. A major benefit to all the Trail Grappler SXS tires though is the race compound. This means all the Nitto SXS tires are a true “sticky,” providing the ultimate traction in rocks or hard-pack surfaces"

Just ordered my 33's
I'll post a review when they arrive and first ride impressions.
Click to expand...
Look forward to hearing your thoughts on them and seeing what the 33" tire actually measures at trail and rock crawling pressures. (8-10 psi)
 
#26 ·
Stevemack said:
Driving Line magazine did a review on them and it stated the following(edited by me just for the good part)
  • SEPTEMBER 17, 2021
  • Story By Ricky Berry

"KOH Design Origins
.......The sidewalls are reinforced to avoid punctures using the research developed from the grueling King of the Hammers conditions. A major benefit to all the Trail Grappler SXS tires though is the race compound. This means all the Nitto SXS tires are a true “sticky,” providing the ultimate traction in rocks or hard-pack surfaces"

Just ordered my 33's
I'll post a review when they arrive and first ride impressions.
Click to expand...
I posted a link to said article earlier in this thread. I realize you can't believe everything you read, but for those that may or may not know, Ricky Berry is a well known & trusted individual in the off-road world. He also does marketing for RCV and Nitto, and runs this exact tire on his current Turbo R machine. He is also the driver of the Pro R machine in the Busted Knuckle tire test video. I'm curious if @craigstumph ever got a reply from his contact at Nitto. At any rate, after a handful of outtings with these tires, I've been impressed. I've had them in all types of terrain and they have worked well in all of them. We're heading to Hawk Pride and Windrock next month so I'm looking forward to seeing how they do in the big technical rocks of Alabama and Tennessee.
 
#28 · (Edited)
Pic 1 is unmounted not inflated 33" Nitto vs unmounted not inflated stock

Pic 2 is mounted Nitto, 12psi on machine loaded down for riding with tools, recovery gear etc. 31.75" edit I retook this measurement with a level instead of a piece of wood that wasn’t straight or sitting level. It measured just over 32”.

Pic 3 Sideview loaded for riding at 12psi
 

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#30 ·
So, first ride report:

My regular riding spot is very rocky, hard packed dirt and has alot of rock crawling opportunities. Lots of elevation changes too.

I ran them at 12psi. I'm very impressed. I like the small clearance advantage I realized over stock. I also felt it 'rolled' easier being they are slightly larger. Felt like it went over things and up small ledges easier. Smoother. Also felt a definite advantage when I hit the rock crawl areas. Almost no spin before catching traction. Just hooked up and went.

I didn't tell the wife about the tire size change. My wife is a super casual passenger, not really into the mechanics of it said it rode smoother and seemed to climb alot better. So if she noticed it, I know it was a net positive over stock.

Overall, super impressed with the 33" Nitto Trail Grapplers.
 

Attachments

#31 ·
Stevemack said:
So, first ride report:

My regular riding spot is very rocky, hard packed dirt and has alot of rock crawling opportunities. Lots of elevation changes too.

I ran them at 12psi. I'm very impressed. I like the small clearance advantage I realized over stock. I also felt it 'rolled' easier being they are slightly larger. Felt like it went over things and up small ledges easier. Smoother. Also felt a definite advantage when I hit the rock crawl areas. Almost no spin before catching traction. Just hooked up and went.

I didn't tell the wife about the tire size change. My wife is a super casual passenger, not really into the mechanics of it said it rode smoother and seemed to climb alot better. So if she noticed it, I know it was a net positive over stock.

Overall, super impressed with the 33" Nitto Trail Grapplers.
Click to expand...
Do you have a durometer?
 
#33 ·
Here is a link to the one we use. Measure at 72 degrees f. You will learn a lot when you start testing tires. If this is not for you that's OK too. It help will clear up any misinformation on this forum about those tires. Here is an example of what I am talking about. Roxxzilla 48 duro. MRT SuperSticky 46 duro. XTR370 62 duro. Maxxis Carnivor 64 duro. If the Nitto tires are anywhere in the 40s or low 50s they are considered soft compound. You will find that the numbers you get will vary from lug to lug. Take about 5 or 6 reads and average them. Use the first number you get from each reading because the numbers will go down the longer your durometer stays on the tire.

www.amazon.com

Portable Shore A/D Hardness, 0-100HD Digital Hardness Durometer Meter Tester with Large LCD Display, Suitable for General Rubber, Synthetic Rubber, Soft Rubber, Leather, and Wax: Amazon.com: Industrial & Scientific

Portable Shore A/D Hardness, 0-100HD Digital Hardness Durometer Meter Tester with Large LCD Display, Suitable for General Rubber, Synthetic Rubber, Soft Rubber, Leather, and Wax: Amazon.com: Industrial & Scientific
www.amazon.com
 
#34 ·
craigstumph said:
Here is a link to the one we use. Measure at 72 degrees f. You will learn a lot when you start testing tires. If this is not for you that's OK too. It help will clear up any misinformation on this forum about those tires. Here is an example of what I am talking about. Roxxzilla 48 duro. MRT SuperSticky 46 duro. XTR370 62 duro. Maxxis Carnivor 64 duro. If the Nitto tires are anywhere in the 40s or low 50s they are considered soft compound. You will find that the numbers you get will vary from lug to lug. Take about 5 or 6 reads and average them. Use the first number you get from each reading because the numbers will go down the longer your durometer stays on the tire.

www.amazon.com

Portable Shore A/D Hardness, 0-100HD Digital Hardness Durometer Meter Tester with Large LCD Display, Suitable for General Rubber, Synthetic Rubber, Soft Rubber, Leather, and Wax: Amazon.com: Industrial & Scientific

Portable Shore A/D Hardness, 0-100HD Digital Hardness Durometer Meter Tester with Large LCD Display, Suitable for General Rubber, Synthetic Rubber, Soft Rubber, Leather, and Wax: Amazon.com: Industrial & Scientific
www.amazon.com
Click to expand...
If you already have access to a durometer, do you not have access to these tires? Could you maybe have one of your suppliers test them & post the results? Just seems like you're for some reason trying to prove everyone here wrong about these tires even though all available information points to them indeed being a sticky. Not trying to be a smartass or start any crap. Just wanna settle the great debate.
 
#35 ·
I just need to know if the UTV tires are all soft comp compound or if there are two different versions. The full size Nittos have two different compounds. One for retail and the other for racers. I have talked to my suppliers and Nitto and cannot get a durometer reading from them. The Nittos running at Sand Hollow were not working as well as the MRTs or Roxxzillas. Not that they were bad, just not as good as those two. Different rocks take different tires sometimes. I am just looking for information. Also called Ricky Berry and left a message as well as a text. I do not have a response from him yet. I think I have the right number for him. Going to double check.
 
#37 · (Edited)
All Nitto SXS specific tires are stickies.

The Nitto SXS was developed for KOH specifically, and all of the SXS tires share the “kspec” compound of the 40” trail grappler KOH specific tire. The kspec 40 is not available for retail, only for race teams. that may be some of the confusion.

100% of the nitto sxs trail grappler tires in all sizes are the same “competition racing compound” aka kspec. Nitto doesn’t really use this in their marketing and I’m not sure why. The kspec is designed to be tough, durable, and sticky in rocks. Lots of development for KOH specific terrain which translates to a great trail tire for most of us.

We did not use a durometer for our tire testing in that video because for our rock sticky specific testing it would cause confusion. We also used fresh tires as they all break and get better, but a broken in tire offers too many variables.

fyi, one of the most popular sticky tires for offroad is the BFG red label (full size tire) which duro’s at ~65, so soft doesn’t always mean sticky.
 
#38 ·
OK that solves the issue of the soft vs hard UTV tires. From what I have seen the Kspec should be good for the back east guys. I will try and get more info on them for out west use. I was on the trail with a bunch of rock buggies at Sand Hollow and one guy had Nittos. They were not hooking up as well as the BFG reds from my observation. I need a UTV set to test.

www.proutvparts.com

Nitto Trail Grappler SXS UTV Tires

UTV Tires by Nitto Trail Grappler SxS brings the durability and performance of the Trail Grappler M/T to Side-by-Side drivers. 35" Trail Grapplers are a softer compound tire that works great on rocks. TIRESIZE STOCKNUMBER TREADDEPTH Overall Dia (in)Inflated Dimensions Overall WidthInflated...
www.proutvparts.com www.proutvparts.com
 
#39 ·
I am a pit crew member for an U4 team and know some Nitto athletes. I'll see if I can get info. But I'm in the same "sentiment boat" as Ricky. I was told all sxs tires were kspec.

I also run BFG reds on my crawler. Love those tires.

And was going to go with their sxs tire(I know they are not sticky) however, once I was told these nittos were sticky, I changed my mind. Those 4900 class guys kill those tires and they take everything they throw at them. That KOH terrain is insanely unforgiving.
 
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