We’ve Been Around for a While

We’ve Been Around for a While

STI is driven by a core group of powersports industry veterans who have specialized in ATV/UTV tires and wheels for more than a hundred years combined. We have the experience to understand consumer needs, industry trends and vehicle applications. We know how to design a product from the ground up, develop it to its highest [...]

High Performance at a Reasonable Price

High Performance at a Reasonable Price

How did STI become the fastest growing aftermarket ATV/UTV tire and wheel brand in the business? Take a close look at our product line. Each segment offers real value or “bang for the buck.” Shop and compare — you will be impressed.

Our Business, Our Lifestyle

Our Business, Our Lifestyle

We are connected to the marketplace and consider it a lifestyle, not just a business. We often ride even when we’re not “on the clock.” Lately we’ve been enjoying the big rallies, such as Rally on the Rocks in Moab, the ATV Mud Nationals in Texas, the Eastern Sierra Jamboree in California, the Roundup at [...]

Customer Service Comes First

Customer Service Comes First

If you asked us to summarize in ten words or less why you should consider STI, we’ll do it in two: we care. If a customer has a question, they can contact us through this website or by calling (318) 255-0049. We take customer service very seriously and will help in any way we can, [...]


NEW Utility ATV/UTV Tires

Roctane XD

Roctane XD

STI Tire & Wheel continues to set new standards for creative innovation in the ATV/UTV tire industry with the introduction of the all-new Roctane XD. This new extreme duty radial tire is loaded with features to meet the highest demands of today’s machines and consumers. For example, the Roctane XD’s 8-ply-rated radial carcass is built [...]

NEW Utility ATV/UTV Wheels

HD Beadlock Matte Black

HD Beadlock Matte Black

STI Tire & Wheel has now added a dramatic Matte Black finish to the HD Beadlock wheel line. This new wheel model gives ATV and UTV owners even more customization choices, at the same unbeatable bang for the buck the entire HD Alloy line is known for. The new Matte Black HD Beadlock joins the [...]

NEW HD2SE FINISH

HD2se Gloss Black

HD2se Gloss Black

STI Tire & Wheel has gone to the dark side with the addition of a dramatic Gloss Black finish on the popular, proven HD2se Alloy wheel model. This expansion gives ATV and UTV owners even more customization choices, at the same unbeatable bang for the buck the entire HD Alloy line is known for. STI’s [...]

Sport ATV Tires

Tech 4 XC

Tech 4 XC

STI Tire & Wheel now offers a smart choice to cross-country sport quad riders and racers with the release of the all-new Tech 4 XC. The STI Tech 4 XC brings high performance to the market at a surprisingly affordable price. Tech 4 XC is specifically designed for serious trail riding and racing. It provides [...]

Recent News

STI’s Polaris RZR 50-Inch Trail Legal Wheel Solution

STI’s Polaris RZR 50-Inch Trail Legal Wheel Solution

Many off-road recreation areas and land management agencies currently limit vehicle width to 50 inches or less. This can present a problem for Polaris Ranger RZR 800 and 570 side-by-side UTV owners. Although these models meet the 50-inch-maximum trail restrictions as they come from the factory, no aftermarket wheels have been available to maintain that [...]

STI Gets Personal with Optional Beadlock Wheel and Ring Colors

STI Gets Personal with Optional Beadlock Wheel and Ring Colors

STI Tire & Wheel is now providing ATV and UTV owners with an easy way to give their machines not only more security but a unique, head-turning look as well. And it’s all possible at a reasonable price compared to the competition. STI HD Beadlock wheels have been a hit since they first rolled out [...]

Roctane Rules on the Short Course Too

Roctane Rules on the Short Course Too

Is there anything the STI Roctane tire can’t do? Since its introduction only a few months ago, this extreme-duty, 8-ply-rated radial has shown its stuff in everything from hard-core desert events like King of the Hammers to GNCC woods racing to deep, slippery snow. Now the Roctane is demonstrating its performance, durability and versatility in [...]

Roctanes Go Wild for Winter

Roctanes Go Wild for Winter

For those of you across the U.S. who are still dealing with “the winter that never ends,” here’s a suggestion: slip on a set of STI Roctane XD tires (hopefully on a set of STI wheels) and then get out there and have some fun! Our friends at ATV-UTVTech.com have been testing a set of [...]

STI Roctane XDs and Big Country Hunt Down Big Buck GNCC Win

STI Roctane XDs and Big Country Hunt Down Big Buck GNCC Win

Hunting season opened early this year in Union, South Carolina. In only the second UTV event on the 2013 Grand National Cross Country schedule, STI Roctane XD tires bagged a Big Buck. It was brought down by John Yokley and co-driver Ellen Yokley. The weapon used was a Polaris RZR, locked and loaded by Big [...]

Eulberg and STI Put On a Show

Eulberg and STI Put On a Show

Our friends at UTVGuide.net were recently witness to a head-turning performance by one of STI Tire & Wheel’s sponsored drivers. It took place at an extreme rock-racing event for full-sized off-road rigs called the Nor Cal Stampede, at Prairie City SVRA in Rancho Cordova. Dave Eulberg was invited to do a UTV demonstration run, and [...]

STI Has Some Dirty Good Fun at the Mud Nationals

STI Has Some Dirty Good Fun at the Mud Nationals

Has it really been ten years? Man, time flies when you’re having fun. The crew at STI is all about having fun, so we couldn’t resist the pull of another High Lifter Mud Nationals event in mid-March at the Mud Creek Off-Road Park in Jacksonville, Texas. We were joined by more than 10,000 of our [...]

STI Tech 4 XCs and H&H Racing Storm the Beach

STI Tech 4 XCs and H&H Racing Storm the Beach

STI riders came out on top of a rapid ground assault at the recent World Off-Road Championship Series event at Lake Havasu City, Arizona. H&H Racing — with STI Tech 4 XC tires mounted front and back on their Honda quads — staged its blitzkrieg from a home base in Las Vegas and invaded the [...]

Tanner Godfrey and STI Set World Record

Tanner Godfrey and STI Set World Record

Who doesn’t like a compelling comeback story? Tragedy to triumph. Kicking adversity in the teeth. From down and out to up and in with a buzzer-beating slam dunk. Admit it: you usually pull for the underdog. We at STI could not help but pull for Tanner Godfrey when he decided to jump his Arctic Cat [...]

STI and Yamaha Team Up Once Again to Present the 2013 Quad-X Racing Series

STI and Yamaha Team Up Once Again to Present the 2013 Quad-X Racing Series

For the last decade it’s been the most important ATV motocross series in the southwest U.S. It started out under the Quadcross moniker in 2003 but now goes by the name of Yamaha Quad-X Racing Series Presented By STI. It goes off for the 2013 season this coming weekend, March 17, at Glen Helen Raceway [...]

Legendary Duncan Racing Team Chooses STI Tires & Wheels

Legendary Duncan Racing Team Chooses STI Tires & Wheels

Duncan Racing has been a big part of ATV racing since before most current ATV racers were born (1977, in fact). And this team has won more races and championships than any other  — by a wide margin. That’s why, when a celebrated company like this, decides to include your product in it’s professional race [...]

STI Has Your Back at 2013 Dirt Series

STI Has Your Back at 2013 Dirt Series

The Dirt Series has gained a whole lot of traction since last year. It’s back and better than ever for 2013, and this time around STI will be providing a generous contingency program to ATV and UTV competitors of all ages and skill levels. STI will also be working through Triumph Motorsports (951-898-0272) to provide [...]

STI Drivers Nail King of the Hammers 2013

STI Drivers Nail King of the Hammers 2013

The King of the Hammers is, in a word, Unique (with a capital U). There are very few if any off-road races that require the use of a winch (even before getting stuck), the mutual cooperation of your competitors to help each other get around the course, or a finishing rate of just 11 percent. [...]

STI in the Spotlight at 2013 Dealer Expo

STI in the Spotlight at 2013 Dealer Expo

For the powersports industry, flipping the calendar page to February means it’s time to flip open the suitcase and start packing for Indianapolis. For the 47th time, the motorcycle/ATV/UTV/watercraft business troops moved out to the Indiana Convention Center in February 2013 for the Dealernews Magazine International Powersports Dealer Expo. It’s always been the unofficial start [...]

STI Stepping Up Big for 2013 WORCS Season

STI Stepping Up Big for 2013 WORCS Season

The World Off-Road Championship Series is ready to roll into the 2013 season, and STI Tire & Wheel will once again be a big part of the action. Along with being an official WORCS sponsor, STI is stoked to offer considerable support to its customers throughout the nine-round 2013 WORCS schedule. It all begins January [...]

ATV-UTVTech.com Tests Black Diamond Tires on HD Beadlocks

ATV-UTVTech.com Tests Black Diamond Tires on HD Beadlocks

Our friends at ATV-UTVTech.com recently completed a comprehensive test of 27-inch STI Black Diamond tires mounted on STI HD Beadlock wheels. Here’s what they had to say:   STI Black Diamond 27” Radial Cross-Terrain Tire and HD Beadlock Wheel Review. A combination perfect for most any conditions! By Rex Ostrander of ATV-UTVTECH.COM Once in awhile [...]