This is a "machine-selection optional" part.Please choose a vehicle to see products specific to your machine,select a product below.

Choose a vehicle:

User Tip: If you're unsure of your vehicle type, you may skip the machine type selection box.

» Log in to use your Rider Profile Machines

STI UTV Tires from Rocky Mountain ATV/MC

High quality STI UTV tires in the best selection and prices.

Latest Tires and Wheels STI UTV Tires Reviews – You could win up to $500 for reviewing products!

  • STI Tech 4 XC ATV Tire

    STI Tech 4 XC ATV Tire

    Travis in CO

    Huge improvement from stock

    I bought these for my girlfriend's raptor, huge improvement from stock. they hook well and do great on hard pack. They don't wear fast and seem like they'll last a long time.

    Read All Reviews
  • STI Black Diamond XTR Radial ATV Tire

    STI Black Diamond XTR Radial ATV Tire

    Roger in UT

    Hard core tires

    These tires are the best improvement I've ever made on my ATV. 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.

    Read All Reviews
  • STI Outback XT ATV Tire

    STI Outback XT ATV Tire

    Kevin in New York

    Much more agressive than photos! Great tire

    I have owned 3 sets of STI Mud Trax XL tires for various machines in the past and was impressed with them except for the rough ride on hard pack or roads. When I found the OUTBACK XL I just had to try them out. Prices are beyond competitive on this tire and the tread pattern looks super cool. I bought a set of 26" XL's for my wife's 2007 Grizzly 700 and after one ride I ordered a set of 27" xl's for my 2012 Grizz 700. The tread is aggressive enough to power you through mud up to the floor boards but the pattern is just close enough together that they ride smooth on the road. They run true to size or a touch tall in my opinion but are definitely round in the middle, even with 3 lbs air the center of the tire is doing most of the work on hard pack. The Tread is deep, much deeper than photos, you will have to be careful driving across your lawn as they will tear stuff up.

    Read All Reviews
  • STI Roctane XD Radial ATV Tire

    STI Roctane XD Radial ATV Tire

    MICHAEL in NH

    Perfect tire for my riding

    I had read some reviews and talked with salesperson on these tires and was told they should fit the bill. We run in northern NH and deal with a lot of loose rock and sharp rocks. I tend to stay away from big mud. So far these tires have performed perfect for us. My wife loves how the machine climbs now. With stock tires would spin and slip around some and with these the machine just trudges up and over without any fanfare. Work ok in mud but work perfect on rocky sections. Love these tires.

    Read All Reviews
  • STI Outback AT ATV Tire

    STI Outback AT ATV Tire

    Phillip in VA

    Traction is fine, fit is sub par

    The tire is very narrow, coming in at 6.75" mounted, the rim guard doesnt touch the rims there is an 1/8" gap between the edge of the tire and my rim all the way around and on both sides. The tire rides smooth and absorbs shock well but it just to narrow for a 7" rim, 5-6" rim width would be okay, but not 7" like mine. This is mounted as the front tire of a customized atc250es, Using a douglas .190 12x7 4/110 5+2

    Read All Reviews
  • STI Tech 4 MX ATV Tire

    STI Tech 4 MX ATV Tire

    Joel in Manitoba

    Front good rear bad

    I bought these a while ago after one year of recreational mx track riding. NOT racing. They started cracking around the tread lugs. After not riding for a year I spend money to go ride at a track and now my rear is leaking through a big crack in the lug I could probably rip the lug off by hand. All I ride is track and in sand no rocks or any spinning on anything that would wreck a tire like this. Front tires seem good. For sand and soft dirt I find they dig a lot and bite really hard. They have a lot of traction both front and rear but I'm not even half way worn between the wear indicator and where they were brand new and now I have to replace my rear tires

    Read All Reviews

Brands in STI UTV Tires

Frequent Buyer ProgramParts Finder