MRT® Rocky RX UTV / SxS Radial Nycore™ Sidewall Tire | 8-Ply

The MRT® Rocky RX Nycore Radial UTV / SXS Rock and Crawler Tire is a rock crawler design for serious grip! Nycore™ Strength. Two High Performance Compounds. Built to Conquer Everything. The MRT® Rocky RX™ Off-Road UTV Tire is the ultimate evolution in rock crawling technology. Engineered for drivers who thrive on vertical climbs and jagged terrain, the Rocky RX™ combines a specialized sticky compound with MRT’s innovative Nycore™ belted construction. This is the tire for UTV enthusiasts who demand elite-level grip without sacrificing the structural integrity needed for high-horsepower machines. Extreme Performance Features Nycore™ Belted Construction: Advanced 8-ply radial design reinforced with Nycore™ technology for superior puncture resistance and a lighter weight-to-strength ratio than traditional belts. Specialized Rock Compounds: Available in Medium (55 Duro) for trail versatility or Super Sticky (50 Duro) for maximum adhesion on slick rock and steep inclines. Deep Lug Performance: A robust 22.5/32" tread depth provides massive mechanical keying into uneven surfaces, ensuring you never lose your line. Optimized Footprint: Designed to maintain maximum contact patch at low PSI, providing the stability and maneuverability required for technical crawls. Competition-Ready Traction: The Rocky RX™ is purpose-built to handle the torque of modern high-horsepower UTVs from Polaris, Can-Am, and more. Rocky RX™ Construction and Specifications Featuring 8-ply radial construction and Nycore™ belted reinforcement, this tire is exceptionally tough yet engineered to remain agile. With a massive 22.5/32" tread depth and a design optimized for larger SXS models, it delivers pure confidence. Every Rocky RX™ is backed by MRT’s 1-Year Sidewall Warranty for peace of mind on the trail. Dominance on the Rocks From the boulders of Johnson Valley to the slick rock of Moab, the MRT® Rocky RX™ is designed to stick and climb. Its race-bred "Sticky" compound resists slipping on smooth surfaces while the Nycore™ belts protect against sidewall pinches and sharp debris. Whether you are a weekend adventurer or a competitive crawler, the Rocky RX™ provides the armor and traction your machine deserves. Experience the edge that off-road experts trust: the Rocky RX™ isn’t just a tire—it’s a performance upgrade for your entire drivetrain. Read about MRT tires dominating at NORES 12-Hour Endurance Race! Rocky RX™ Key Features & Performance Highlights 8-Ply Nycore™ Belted Radial provides a robust carcass that resists punctures and supports off-road abuse while maintaining a flexible contact patch. Super Sticky (50 Duro) Option offers professional-grade traction for competitive rock crawling environments. Medium (55 Duro) Option delivers a balanced, longer-wearing compound for enthusiasts who mix technical crawling with fast trail riding. Aggressive Sidewall Lugs provide additional side bite for pulling through deep ruts and protecting the wheel rim. Directional Tread Pattern provides optimum forward bite. NHS Rated for off-road use only. Choose your correct tire size and compound from the dropdown menu to elevate your off-road experience! PLEASE NOTE: Tire only, wheel NOT included! Double check your tire size before ordering to ensure accuracy when ordering your new tires! Rocky RX™ Available Sizes and Specifications Size Compound Durometer Ply Tread Depth (IN) Weight (LBS) Construction Warranty 32x10R15 Medium 55 8 22.5/32 45.6 Nycore™ Belted 1-Year Sidewall 32x10R15 Super Sticky 50 8 22.5/32 45.6 Nycore™ Belted 1-Year Sidewall 35x10R15 Medium 55 8 22.5/32 54.8 Nycore™ Belted 1-Year Sidewall 35x10R15 Super Sticky 50 8 22.5/32 54.8 Nycore™ Belted 1-Year Sidewall 37x11R15 Medium 55 8 22.5/32 58.0 Nycore™ Belted 1-Year Sidewall 37x11R15 Super Sticky 50 8 22.5/32 58.0 Nycore™ Belted 1-Year Sidewall