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Huntington Beach, CA. (October 13, 2025) Performance tiremaker Moto Race Tire (MRT), www.MRT.Tires, proudly announces the official release of the Whiskey Runner™ Tire, developed in collaboration with off-road personality and content creator Bryce “Whiskey Biz” Sparks. This new tire brings together MRT’s performance engineering and Bryce’s hands-on trail experience to offer riders a rugged, versatile option for mud, trails, and mixed terrain.
A Tire Built from Experience
From the outset, this wasn’t just a branding collaboration — Bryce worked side-by-side with MRT’s development team, contributing insights from countless hours riding the terrain he and his followers know best.
“MRT was one of the very first sponsors I ever got, and they took a risk on your boy to come out with a brand-new mud tire called the Whiskey Runner — and of course, your boy’s logo is on it,” said Sparks.
Bryce’s involvement helped shape key elements — from tread layout to sidewall strength — ensuring the tire performs in conditions that matter most to his audience and matches his aggressive riding style.
“We took my favorite tires that I’ve either raced on or trail-rode on and combined my favorite features to make an all-around tire,” Bryce added. “Then made sure these things were plenty aggressive for your muddy trails or your nasty, sloppy terrains.”
Engineered with MRT Strength
The Whiskey Runner™ features an 8-ply ultra-tough construction, delivering outstanding puncture resistance and load stability while maintaining a comfortable ride. MRT’s advanced rubber compounds and reinforced sidewall technology translate to superior performance and durability — whether in competition or weekend adventure.
Currently offered in a 35x10R15, additional sizes are slated for release at later dates. Each tire reflects MRT’s commitment to producing the Toughest Tires on the Planet, combining strength, traction, and dependability in one design.
Driven by Shared Passion for Performance
“Thank you guys, it’s absolutely unreal to see my name on the side of a tire,” said Sparks.
For MRT, the partnership reflects a shared passion for off-road culture and innovation. By blending enthusiast insight with engineering precision, the brand continues to expand its reputation for building products that meet the demands of today’s riders.
The MRT Whiskey Runner™ Tire is available now through MRT’s authorized dealers and online at www.MRT.Tires.
MRT’s dedication to quality and performance with MRT Tires and Muscle Race Wheels continues to raise the standard for off-road enthusiasts and racers alike. Whether it’s on the starting line or deep in the backcountry, MRT tires are built to deliver confidence, control, and durability in every terrain and condition.
“We’re proud of the performance our customers and racers achieve on MRT tires,” said Mark Thornburg, President of MRT. “Our motto, ‘Quality When You Need It,’ is proven time and time again — from competition courses to weekend adventures. Every MRT tire and Muscle Race Wheel is held to the strictest testing standards before it’s released. We accredit the Kevlar Armor Belt as the strongest best traction UTV tires on the market. And our continued innovation with technologies like Nycore, and D-Fence Sidewall Protection — and our 1-year warranty on Kevlar and Nycore tires ensures our tires are always able to succeed through the toughest challenges” according to Mark Thornburg, president MRT.
About MRT & Muscle Race Wheels:
MRT, Moto Race Tire, is the leader in delivering the highest quality and most innovative tires on the market today. By working closely with racers, trail riders, and off-road enthusiasts, MRT continually advances tire design through technologies such as Kevlar Armor Belt, Nycore®, and D-Fence® Sidewall Protection — combining performance, durability, and real-world functionality. All Kevlar and Nycore® tires are backed by a 1-year warranty and MRT’s Continuous Improvement Program (CIP), ensuring lasting performance and rider confidence.
Muscle Race Wheels are engineered to be the lightest and strongest forged and flow-formed wheels in the UTV market, with load ratings up to 2,000 lbs. Designed for both racers and recreational riders, Muscle Wheels outperform cast competitors and are available in a range of sizes and backspacing options proven across the toughest terrain and podium proven at race events nationwide.
MRT and Muscle Race Wheels are tested in all riding and racing conditions, with every design refined through real-world feedback and performance data. This focus on continuous improvement ensures MRT continues to deliver the best tire and wheel combination for every rider, every race, and every adventure.
‘Quality When You Need It’. What are you waiting for? For more information on MRT: contact us at: info@motoracetire.com; 844.884.9759, www.mrt.tires –
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