Mounted Tire & Wheel Assemblies
Loadstar Tires 31212 ST145/R12 Bias Tire and Wheel Assembly 5-Lug 8-Ply White Modular
Loadstar Tires 30800 K353 5.30-12 Bias Tire and Wheel Assembly 5-Hole 6-Ply White
Loadstar Tires 30688 Bias Trailer Tire and Wheel Assembly 530-12 4 Hole White Modular
Loadstar Tires 30520 K353 Bias Tire and Wheel Assembly 480-12 4-Ply 4-Hole White
Loadstar Tires 32406 ST205/75R15 Tire and Wheel Assembly 5 Lug White Modular Rim
Loadstar Tires 30791 Bias Tire and Wheel Assembly 530-12 K353 6-Ply 4-Hole White Modular
Loadstar Tires 30560 K353 Bias Trailer Tire and Wheel Assembly 480-12 5 Lug White
Loadstar Tires 3H320 Wide Profile Trailer Tire and Wheel Assembly 215/60-8 K399 Bias 5-Hole Galvanized
Loadstar Tires 3S645 ST205/75D15 Bias Trailer Tire and Wheel Assembly White Modular with Stripe
Loadstar Tires 30865 Bias Tire and Wheel Assembly 530-12 5-Hole 8-Ply Galvanized
Loadstar Tires 30861 Bias Tire and Wheel Assembly 5.30-12 5-Hole 8-Ply Galvanized Rim
Loadstar Tires 30850 Bias Tire and Wheel Assembly 530-12 5-Hole 6-Ply White Spoke with Stripe
Loadstar Tires 30833 Bias Tire and Wheel Assembly 530-12 5-Hole 6-Ply Galvanized
Loadstar Tires 30830 K353 Bias Trailer Tire and Wheel Assembly 530-12 Load Range C
Loadstar Tires 30820 Bias Tire and Wheel Assembly 530-12 5-Hole 6-Ply Galvanized
Loadstar Tires 30790 Bias Tire and Wheel Assembly 530-12 4-Hole White Spoke Rim 6 Ply
Loadstar Tires 30780 Bias Tire and Wheel Assembly 530-12 4-Hole 6-Ply Galvanized Rim
Loadstar Tires 30710 Bias Trailer Tire and Wheel Assembly 5.30-12 Load Range B 4-Hole
Loadstar Tires 30595 Bias Tire and Wheel Assembly 480-12 5-Hole Galvanized Rim 4-Ply
Loadstar Tires 30582 Bias Tire and Wheel Assembly 480-12 5-Hole 4-Ply White with Stripe
Loadstar Tires 30550 Bias Tire and Wheel Assembly 480-12 4-Hole 4-Ply White Modular Rim
What Are Mounted Tire & Wheel Assemblies?
A mounted tire and wheel assembly is exactly what it sounds like: a trailer tire that has already been professionally fitted to a matching rim, inflated, and balanced — arriving ready to bolt directly onto your trailer's axle hub. For RV owners, boaters, and anyone who regularly hauls cargo, these pre-assembled units eliminate the guesswork of pairing a tire to a wheel, sourcing the correct valve stem, and finding a shop to mount and balance the combination before hitting the road or the ramp.
Why They Matter for Trailering
Trailer tires carry very different loads than passenger car tires, and the stakes are high when you're towing a boat, camper, or utility trailer at highway speeds. Unlike automotive tires, Special Trailer (ST) tires are engineered with stiffer sidewalls specifically to resist the side-to-side forces that occur during towing, and they must be matched to a load range adequate for the trailer's gross weight. Getting this combination wrong can lead to sidewall failure, blowouts, or trailer sway — none of which you want while navigating a busy highway or a narrow boat launch ramp.
Buying a pre-mounted assembly takes the compatibility challenge off your plate. The tire and wheel are already matched for load range, bolt pattern, and rim diameter, so you simply verify that the bolt pattern matches your trailer's axle hub and install. Many assemblies are also balanced at the factory, further reducing vibration and uneven tread wear on long hauls.
Key Considerations When Shopping
- Tire size and load range: Check your trailer's existing tire sidewall or owner's manual for the size designation (e.g., ST205/75R15) and minimum load range (C, D, or E). The replacement assembly must meet or exceed the original rating.
- Bolt pattern: Count the number of lug bolts and measure the bolt circle diameter on your trailer's hub. Common patterns are 4-lug and 5-lug, but the circle diameter varies.
- Wheel material: Steel wheels are durable and cost-effective; galvanized or powder-coated steel resists the corrosion common in marine and coastal environments. Aluminum wheels are lighter and naturally corrosion-resistant, making them popular for boat trailers.
- Bias-ply vs. radial construction: Bias-ply tires have stronger, stiffer sidewalls ideal for heavy loads; radial tires run cooler and offer better fuel efficiency at highway speeds on long-distance tows.
- Spare readiness: Many trailer owners keep a fully mounted spare that matches their current assembly — a smart precaution for any long trip.
Top Brands in Mounted Tire & Wheel Assemblies
Ascenso brings its deep off-highway tire engineering pedigree to the trailering segment. Ascenso tires are designed with durability and stability in mind to handle the unique hauling demands of utility trailers, boat trailers, RVs, and heavy-duty applications — backed by a manufacturing operation with over 30 years of tire-making expertise.