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STI UTV Tires from Rocky Mountain ATV/MC

Every off-road terrain becomes your playground when riding in a UTV, and whatever landscape you face, STI has a tire for the job. Each style of tire is tested to the limits and tweaked to perfection by the manufacturer to make sure that it is tough enough to face any obstacle you may encounter on the trail. With tires like the Black Diamond, Mud Trax, Outback, Rocktane or Vortex V-Roll you can turn any trail into the adventure of a lifetime. Check out our selection of STI UTV tires now to get on your way today!

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

  • STI Black Diamond ATR Radial ATV Tire

    STI Black Diamond ATR Radial ATV Tire

    Anthony in CT


    all i can really say is WOW! this tires bite 100x better then my stock tires did and added much need clearance for the tuff spots in the woods. i installed 23x10-10s on my machine and it looks great. thanks rocky mt

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  • STI Roctane XD Radial ATV Tire

    STI Roctane XD Radial ATV Tire

    Devyn in MO

    Great tires!

    Hold up great to every I have put them through!

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  • STI Black Diamond XTR Radial ATV Tire

    STI Black Diamond XTR Radial ATV Tire

    Connor in Massachusetts

    Great Tires

    I've had these tires on my quad for two seasons now and I can't be more happy with them! They rip through mud, sand, rocks and tackle hill climbs like nobody's business. Highly recommend!

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  • STI Outback HT ATV Tire

    STI Outback HT ATV Tire

    Nathan in AL

    STI Outback Tires

    They pull great all around

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  • STI Tech 4 MX ATV Tire

    STI Tech 4 MX ATV Tire

    Steven in FL

    Seem to be good

    Put them on a 98 Blaster seem to work great

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  • STI Outback AT ATV Tire

    STI Outback AT ATV Tire

    Alec in ME

    Cheap set tires vs bear claws and rims

    So I basically got these rims to replace my old ones from my sportsman for being so cheap they really are nice steel rims gloss black and looks great with the tires I got for 410 bucks tires and rims can't beat that deal very happy with Rocky Mountain Atv will be buying more parts from these guys tires I got are the outback Sti great cheap mud tire vs the bear claw for 16 bucks more cant beat it spend the extra and get the good set tires but in time I will see if they hold up Tire size is Rear 25x10-12 Front 25x8-12 Tires have about A full quarter of tread with the mud nubs test was just a quarter inserted next to the tread wish I was able to upload photo they look great

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