When you’ve got serious weight behind you, this combo doesn’t flinch. The Kenda Karrier KR53 ST225/75R15 radial tire is Load Range E (10-ply rating) and rated for up to 2,860 lbs at 80 psi. It’s paired with a 15" x 6" silver mod steel wheel that shares the same capacity, giving you solid strength for heavy gear and long runs without second-guessing your setup.
No need to schedule a tire shop stop. The tire comes pre-mounted on the silver powder-coated steel wheel, aired up, and balanced in the way trailer tires are done—manufacturers offset the tire’s heavy spot with the wheel’s light spot. That means it shows up ready to bolt on and head down the road with a smooth, steady pull.
This ST225/75R15 radial runs cooler than bias constructions and wears evenly when you’re clocking highway miles. Rated M for speeds up to 81 mph, it stays composed in heat and heavy use. The KR53 tread design keeps tracking straight while limiting rolling resistance, so your tow vehicle doesn’t have to work as hard mile after mile.
Rain, salt, and gravel are no match for its finish. The steel wheel’s durable silver powder coat resists rust buildup and keeps its clean look season after season. It’s a tough layer of protection that stands up to wet roads and rough weather without extra upkeep.
The wheel uses a common 6 on 5-1/2" bolt pattern with a zero offset and 3-1/2" backspacing for a strong, centered mount on heavier trailer hubs. Wheel bolt size is 1/2"-20 with a pilot diameter of 4.27". Those exact specs make it easy to match with existing hardware while keeping alignment true under load.
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"
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