STI's goal is to design UTV tires and Utility ATV tires that break new ground, literally and in the innovative sense. From the all-new R4 mudder to Roctane to Sand Drifter and more, they deliver performance to cover a variety of terrain.

Finding the right fit can be easy with a size range of 12 in. to 18 in. rims. Choose the best with STI tire-and-wheel systems for your ATV or Side by Side. Browse our huge selection of STI Tires & Wheels, ATV & UTV for the lowest price on STI. No Restock Fees. No Hassle Returns.

2022年1月5日 · Picking the best STI tires for your machine is a matter of knowing your driving style, the conditions you drive in most often and what you want to get out of the tires.

Looking for STI Tires and Wheels? Rocky Mountain ATV/MC is your one-stop shop! Check out all our STI Tires and Wheels – with excellent customer service and free shipping on eligible orders!

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Get all of the STI items you are looking for at Rocky Mountain ATV/MC. We are one of the largest suppliers of STI products in the powersports industry.

2018年12月14日 · Here is what STI has to say about the new STI R4: “A bigger, bolder and more extreme mud tire, the all-new STI R4 is specifically designed and engineered for high performance UTV and ATV...

The STI Outback HT (Out & Back) is an all terrain ATV tire designed to get you out and back. The Outback HT features a directional, center V shaped tread design with a solid center lug and dimpled shoulder lugs. This 6 ply bias ply construction delivers confident performance in popular 10, 11 and 12 inch ATV and UTV sizes.

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Give your quad bike powerful traction on varied terrains with the STI Black Diamond ATV/UTV tire. This all-purpose motorsports tire features over-center tread elements and inch knobs, a design which provides a smooth ride on hardpack and self-cleaning traction on soft surfaces.