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STI Black Diamond XTR Radial ATV Tire
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STI Black Diamond XTR Radial ATV Tire

Our price: $87.99$149.99

MSRP: $125.36 - $184.96 - You save up to $37.37 (30% off)

View Product DetailsSee all machines the STI Black Diamond XTR Radial ATV Tire fits.See stock sizes for your machine (Machine Specs)

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  • "Customer service is priority #1 at Rocky Mountain ATV/MC. We value our customers and strive to be the best shopping experience- when you buy from us, you are buying lifetime service."

    -Dan Thomas, CEO and Founder

  • Returns

    We take pride in offering no hassle returns. In the event of a return, please call, email or chat with us to receive a solution to the problem. For apparel that doesn't fit quite right, Click here to see our Fit Guaranteed Program.

  • Warranties

    We will stand behind all products we sell with regards to manufacturing defects in workmanship and material. Most products are limited to the manufacturer's warranty. However, we will do everything in our power to take care of the problem.

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    Call us: 1 800 336-5437
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  • Delivering crossover performance at a value price!
  • The perfect tire for all seasons.
  • Innovative "V" tread pattern bridges the gap between soft mud/snow/sand and hardpack surface
  • Unique over-center tread elements provide a smooth, controlled ride on hardpack, while offering excellent clean-out in soft conditions.
  • Specifically developed 6-ply radial carcass delivers the stability needed for UTV applications, while retaining the plush ride characteristics favored by ATV riders.
  • The STI Black Diamond XTR has a 6-ply rating with 1 1/8" tread depth.
  • DOT approved.

STI Black Diamond XTR Radial ATV Tire Reviews

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0 of 0 people found this review helpful.

good tire

Comments On Nov 20, 2014:very aggressive tire works great in all conditions

Additional Comments On Jan 06, 2015:this is a good tire but very slippery on snow and ice

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0 of 0 people found this review helpful.

black Diamond tires

Comments On Dec 29, 2014:Needed more aggressive and taller tires for our trip to moab...these did the trick. After we got back 3 of my utv friends bought the same tires from rocky Mountain atv... great at tires.

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0 of 0 people found this review helpful.

Very grippy

Comments On Dec 29, 2014:Took these bad boys out on hard dirt, mud, and sand. Extremly happy with how they performed. Clears mud out quickly, and grips like there is no tomorrow. Very happy with them.

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Very Nice

Comments On Dec 18, 2014:Tires are great...the service, shipping, delivery from rocky mtn. ROCKS!!!

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0 of 0 people found this review helpful.

Hefty and beefy tire! Good buy for the money.

Comments On Dec 17, 2014:Purchased these from, had them mounted on original aluminum rims on my Suzuki KQ500. What a difference nice radials does to your ride, does extremely well in snow when plowing. Rides better when air pressure is lowered to 2.5-3# on the KQ so the sidewall will "pudge" a little, a tip I got from Doug Meyer from ATVTV.COM's video. I have 1000 miles on mine, and the rubber lugs are only showing slight rounding of the edges, these will last for thousands of miles on gravel and rocks. The only thing I would "complain: about, is wobble on the tires at high speed, I cannot for the life of me get local tire installers to force balance these! I am sure that would cure most wobbling problems.

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0 of 0 people found this review helpful.

Great Universal tire but sandy creek bottoms NO GO

Comments On Nov 30, 2014:These tires are a beast and work well in all conditions except sandy creek bottoms. THey will dig straight down and then your stuck.. I would recommend them to anyone I knew.

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Performance AND longevity

Comments On Nov 26, 2014:Just bought my second set of this tire because I liked the first set so well. Got nearly 5000 miles out of them and they weren't even worn out at that point! Could have gone to 6500 or 7000 miles probably, but decided to get full traction back for winter. Never found one thing these tires weren't good at. They eat mud, sand, snow, and rock for breakfast. Excellent lateral control too, and never had one single flat or puncture of any kind. In a pinch, you could even run these tires flat if you had to. I would highly recommend them.

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Great tires!

Comments On Nov 09, 2014:Unlike the Roctane's i am running now, i have nothing but good things to say about the BD XTR's. Great ride once you air them down ( 1.5-2 PSI on a quad ). Traction was awesome, and they still had plenty of tread left after 2K miles when i traded the machine.

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SIT Black Diamond XTR's

Comments On Oct 18, 2014:I'm in the high desert area of Payson. LIke a whole new world of comfort once I drove off my my XTR's on the rear only. Had to buy by 2's because of cash flow. It was such a difference to smoothly ride over the ruts, rock, and sand with these. While the fronts bounced, and wandered, these held steady. I tried braked down an area of decomposed granite,and the held tight unlike my old ones on the same hill which did a lot slip sliding away before they began to hold. Can't wait for the front to come.

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1 of 1 people found this review helpful.

Great tyres

Comments On Oct 01, 2014:These tires are the best improvement I've ever made on my Rzr 570. They are aggressive. In mud, dry dirt, and rocky slopes they handle everything with quick predictable control. My machine feels more stable and responsive because of these tires. It climbs like a billy goat now. And great shipping from RM ordered Monday and landed on my door Friday morning in Perth Australia.

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