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STI is dedicated to the design, development and manufacturing of high quality ATV and UTV tires. Their engineers are committed to developing tires that meet the highest standards and provide the greatest value to their customers. Rocky Mountain ATV/MC has many kinds of STI ATV tires, made for sand, snow, mud, tracks and trails. You can be sure any tire that Rocky Mountain ATV/MC sells is durable and built to last, but we also strive to provide incredible prices as well.
If you need two STI ATV tires, make sure you check out our ATV Tire and Wheel Builder Package which can save you up to 56%. Simply choose two tires and wheels using our filters search that will find the tires to fit your machine perfectly. Then our trained professionals will mount them for free and get them ready to be shipped along with the free valve stems you receive with your package. In addition, you also receive free ground shipping with any ATV Tire and Wheel Package.
MICHAEL in NH
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
Phillip in VA
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+2Read All Reviews
Joel in Manitoba
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 tiresRead All Reviews