About STI

STI products are designed by a team that loves off-roading with a passion. You can find STI represented at a number of events, including the Windrock Jamboree and Rally on the Rocks. To this company, off-roading is more than an activity—it’s a lifestyle. The drive to surpass the competition is evident in STI tires and wheels. The available ATV and UTV tires are prime examples of innovation with first-rate traction and durability perfect for conquering any terrain. STI wheels boast both utility and style with high-quality material and a variety of finishes. 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.