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When you’re putting in long miles or hauling at speed, you want a setup that’s built to handle it. The Loadstar ST205/75D15 bias tire carries a maximum load of 1,820 lbs at 50 psi and is rated for 81 mph (speed rating M). It’s matched to a 15" diameter x 5" wide steel wheel rated to 2,200 lbs. Both meet DOT specifications, so you can roll confidently knowing your tire and wheel are designed for highway use and heavy loads.
Salt, rain, and road grime won’t take this wheel down. The silver powder coat over an e-coat primer provides tough corrosion resistance that stays looking good season after season. The modular steel design adds strength without extra weight and keeps maintenance simple for anyone using their trailer near water or in humid climates.
This tire-and-wheel assembly comes ready to mount and already balanced the way trailer tires are meant to be—by offsetting the high spot of the tire with the low spot of the wheel. The bias ply construction uses thick nylon cords set at 30-45° angles in alternating layers, giving the sidewalls extra stiffness so the whole tire flexes evenly. The result is a solid, stable feel that tracks straight and smooth on uneven ground or at highway speeds.
The 6-ply bias tire combines durability and flexibility with a flatter tread for improved stability and longer wear. It’s rated Load Range C and designed specifically for trailers—not cars or trucks—so you get strength where it matters most. Plus, it’s backed by a 1-year worry-free guarantee that covers replacement if the tire is damaged within the first 12 months, along with a limited 1-year warranty on the wheel and a 5-year warranty on the tire.
Getting your replacement right is simple with this combo’s clear specs—5 on 5" bolt pattern, 3.19" pilot diameter, and wheel bolt size of 1/2"-20. The assembly measures 27.4" in outer diameter with a section width of 7.7", giving you precise numbers to match your setup before you bolt it on and go.
1. Count the lug holes
Look at the wheel hub or the back of the wheel and count how many lug holes there are(also called bolt holes).
Common configurations include: 4-lug, 5-lug, 6-lug and 8 lug
2a. For even lug counts (4-lug, 6-lug, 8-lug)
Measure from the center of one lug hole directly across to the center of the hole opposite it.
Common configurations: 4 on 4", 6 on 5.5", 8 on 6.5"
2b. For odd lug counts (5-lug)
Measure from the center of one lug hole to the outer edge of the hole directly across (not center-to-center since there's no directly opposite hole).
Common configurations: 5 on 4.5" (most popular), 5 on 5", 5 on 4.75", 5 on 5.5"
Customer Satisfaction Score:
89% were satisfied with this product
11% of customers were not satisfied
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Gwendolyn Y.
6/4/2025
Thanks for sharing your this with us, Douglas! It's always nice to hear when we do things right for our neighbors (what we call our customers). Was this tire/wheel for a spare or are you replacing some on your trailer?