System 3 ST-3 Wheels & RT320 Race & Trail Tires We will attempt to mount these wheels and tires before shipping, but both the wheels and tires must be available in the same warehouse at the time of fulfillment. If mounting is not possible, we will contact you before shipment. If you want a wheel and tire setup that looks aggressive, performs across mixed terrain, and holds up to real off-road abuse, the System 3 ST-3 Wheels paired with RT320 Race & Trail Tires are a hard combination to beat. This setup combines the bold styling and strength of the ST-3 wheel with the versatile all-terrain performance of the RT320 tire. Whether you're riding trails, dunes, rocky terrain, or even pavement between rides, this package is built to handle it. Upgrade your UTV with proven wheel and tire setups. Browse more parts here: UTV Wheels & Tires Collection Shop at RadUTVParts.com — use code RAD5 for 5% off your first order. Are System 3 RT320 tires good for trails and mixed terrain? Yes, the System 3 RT320 is one of the best mixed-terrain UTV tires for riders who want strong traction on loose terrain while still maintaining a smooth, quiet ride on hardpack and pavement. Its lightweight 8-ply radial construction and durable rubber compound make it ideal for aggressive trail riding and long-lasting performance. ST-3 Wheels Built for Aggressive Styling and Strength The System 3 ST-3 wheel features an edgy split 8-spoke design that looks aggressive without adding unnecessary weight. Its reinforced wheel lip and simulated beadlock styling give it a rugged appearance that matches modern sport and performance UTVs perfectly. Built with a 1000-pound load rating, these wheels are made to handle hard riding conditions while still maintaining a clean, modern look. Available Wheel Finishes Matte Black Bronze Machined Wheel Features Split 8-spoke design for strength and reduced weight Simulated beadlock styling Heavy-duty inner and outer wheel lip Large lug holes fit most hex-head lug nuts 1000-pound load rating Bolt-in center cap included Lifetime limited warranty Bolt Pattern Options 4/156 — Polaris UTV models and Kawasaki KRX 1000 4/137 — Can-Am UTV models and Honda Talon RT320 Race & Trail Tire Performance The System 3 RT320 was designed for riders who need a tire that can handle multiple terrain types without compromise. Its non-directional tread pattern hooks up well in loose terrain while remaining smooth and predictable on hardpack trails. The lightweight 8-ply radial carcass provides durability without excessive weight, while the wide contact patch improves traction and ride comfort. The RT320 also uses a high-mileage rubber compound to help extend tread life, making it a great choice for riders who put serious miles on their machines. RT320 Tire Features Race-ready mixed terrain design Excellent traction on loose surfaces Smooth and quiet ride on hardpack 8-ply rated radial carcass Wide contact patch for improved handling High-mileage rubber compound DOT marked Available Tire Sizes Size Ply Rating Weight Max Load 28x10R-14 8 Ply 33.8 lbs 740 lbs 30x10R-14 8 Ply 37.9 lbs 1000 lbs 32x10R-15 8 Ply 41.6 lbs 1000 lbs 33x9.5R-15 8 Ply 39.8 lbs 1020 lbs 35x9.5R-15 8 Ply 43.0 lbs 1020 lbs Why This Setup Works So Well The System 3 ST-3 and RT320 combo gives you a wheel and tire package that looks aggressive, performs across multiple terrains, and holds up under hard riding conditions. It’s a versatile setup that works equally well for trail riders, desert riders, and weekend adventure builds.