1. Trailer Tires and Wheels
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  4. 15 Inch
  5. 6 on 5-1/2 Inch
  6. 225/75-15
Castle Rock ST225/75R15 Radial Trailer Tire w/ 15" White Spoke Wheel - 6 on 5-1/2 - LR D

Castle Rock ST225/75R15 Radial Trailer Tire w/ 15" White Spoke Wheel - 6 on 5-1/2 - LR D

Item # LHACK126
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Our Price: $177.12
Trailer Tires and Wheels
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Shipping Weight: 46 lbs
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Radial tire has an 8-ply rating and a 2,540-lb max load at 65 psi. 15" x 6" Steel wheel has a 6 on 5-1/2 bolt pattern. Nitrogen fill maintains tire pressure. 1-Year No Excuses Guarantee on tire. Complimentary roadside assistance included. Lowest Prices for the best trailer tires and wheels from Castle Rock. Castle Rock ST225/75R15 Radial Trailer Tire w/ 15" White Spoke Wheel - 6 on 5-1/2 - LR D part number LHACK126 can be ordered online at etrailer.com or call 800-298-1624 for expert service.
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  • Reviews (39)
  • Q & A (6)
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Castle Rock Trailer Tires and Wheels - LHACK126

  • Tire with Wheel
  • 15 Inch
  • 6 on 5-1/2 Inch
  • 225/75-15
  • Load Range D
  • Steel Wheels - Powder Coat
  • Radial Tire
  • L - 75 mph
  • Castle Rock

Radial tire has an 8-ply rating and a 2,540-lb max load at 65 psi. 15" x 6" Steel wheel has a 6 on 5-1/2 bolt pattern. Nitrogen fill maintains tire pressure. 1-Year No Excuses Guarantee on tire. Complimentary roadside assistance included.


  • Tire-and-wheel assembly is ideal for RVs, campers, and trailers
  • Nitrogen fill maintains tire pressure longer than standard air
    • Helps prolong the life of the tire and wheel
  • Sturdy steel wheel with 8-spoke design
    • White powder coat finish over e-coat primer resists rust
  • Beveled stud holes help to keep wheel securely in place on trailer hub
    • Eliminate the need for constant retightening of lug nuts
  • Castle Rock radial tire is constructed with double steel belts and double nylon plies
    • Nylon tread-firming belt overlays help prevent tread separation
    • Tread wear indicator (TWI) makes it easy to see tread depth
    • Radial ply tire is great for highway use
  • Siping on the tire tread channels water away from the tire to improve traction during wet, snowy, or icy conditions
  • Special trailer (ST) tire has sturdy sidewalls so that it can handle heavy loads
    • Created specifically for trailers and not intended for use on other vehicles
  • Complimentary roadside assistance for 2 years
    • Flat tire service available 24/7 anywhere in the United States, Canada, or Puerto Rico
  • Assembly meets DOT specifications
    • Tire meets FMVSS specifications
    • Wheel meets SAE J1204 standards
  • Center cap sold separately


  • Rim dimensions: 15" diameter x 6" wide
  • Bolt pattern: 6 on 5-1/2"
  • Wheel bolt size: 1/2"-20
  • Wheel capacity: 2,850 lbs
  • Pilot diameter: 4.29"
  • Offset: 0
  • Tire size: ST225/75R15
    • Section width: 8.78"
    • Outer diameter: 28.3"
  • Tire capacity:
    • Load range: D
    • Ply rating: 8
    • Maximum load: 2,540 lbs at 65 psi
  • Tread depth: 9.5/32"
  • Maximum speed: 75 mph (speed rating L)
  • Warranty:
    • 5-Year on tire
    • 1-Year on wheel
  • 1-Year No Excuses Guarantee on tire

Lionshead Roadside Assistance Program

This tire-and-wheel assembly comes with complimentary roadside assistance for 2 years. If your RV or trailer has a flat tire, call the help line and a technician will come change the flat for you. You can call 24 hours a day, 7 days a week, and 365 days a year from anywhere in the United States, Canada, or Puerto Rico.

1-Year No Excuses Guarantee

This tire has a 1-year No Excuses Guarantee. If within the first 12 months the tire is damaged in any way that's not covered by warranty, it will be replaced at no charge. You will also be compensated a flat labor rate for the cost of mounting the replacement tire.

The Nitrogen Advantage

Nitro Fill Logo

The NitroFill inflation process filters out oxygen to ensure that this tire-and-wheel assembly is filled with 95 to 99.9 percent pure nitrogen. Nitrogen-inflated tires maintain pressure better than tires inflated with standard air. This makes them ideal for RVs and trailers that are driven infrequently or sit in storage for long periods of time. Other benefits of consistent tire pressure are better fuel economy, improved braking and handling, decreased chance of tire failure, and longer tire life.

A tire inflated with standard air, which contains oxygen, is prone to fluctuations in pressure due to loss of air over time and ambient temperature changes. Nitrogen-inflated tires don't experience these fluctuations for a couple reasons. First, nitrogen molecules are larger than oxygen molecules, so they are less likely to permeate a rubber tire. Second, nitrogen is a dry gas, so it won't allow condensation to build inside the tire. A tire inflated with standard air may have moisture in it, which means it is more likely to be affected by ambient temperature.

In addition, the moisture that can collect in a tire inflated with standard air will contribute to corrosion of the wheel and deterioration of the rubber tire from the inside out. A nitrogen-inflated tire-and-wheel assembly is less likely to experience this type of decay. Less moisture in the tire also means reduced running temperatures.

If necessary, you can top off the tire with standard compressed air. But to maintain the benefits of nitrogen, the tire must be refilled with nitrogen.

Beveled Stud Holes

Beveled Stud Holes Front and Back

The stud holes on this steel wheel are beveled to ensure that the wheel stays tight against your trailer hub. This also eliminates the need to constantly retorque the lug nuts.

Castle Rock Radials

Unlike standard trailer tire tread, which has solid, continuous ribs, the tread on these Castle Rock radials has ribs with breaks. These breaks allow water to run off to the sides. The Castle Rock tread also has sipes. Siping is a process in which thin grooves (or sipes) are cut into the rubber of the tire. The grooves channel water away from the tread so that the tire makes better contact with the road. Both of these features greatly improve traction during wet, snowy, or icy conditions.

Castle Rock radials are constructed with double steel belts and double nylon cords. A protective layer of nylon is wrapped around the steel belts to help prevent tread separation.

Radial Tires vs. Bias Tires

Radial tire vs bias tire graphic

Radial ply tires are designed for trailers that are towed on the highway. The cords on a radial tire are positioned at a 90-degree angle to the direction of travel so that they lay across the width of the tire from wheel lip to wheel lip. This construction prevents the cords from rubbing against one another when the tire flexes, unlike the cords on a bias ply tire. As a result, radial tires have less rolling resistance and heat buildup, which leads to a longer tread life and improved steering at higher speeds.

Determining the Bolt Pattern

The first number in the bolt pattern is the number of bolt holes. The second number denotes the diameter, in inches, of the circle on which the bolt holes sit.

Bolt Pattern - Odd

To determine the bolt-circle diameter on wheels with an odd number of bolt holes, measure from the center of any bolt hole to the point halfway between the two bolt holes directly across from the first. (Example: "5 on 4-1/2" means 5 bolt holes with 4-1/2" measured to a point halfway between the opposite bolt holes.)

Bolt Pattern - Even

On wheels with an even number of bolt holes, measure from the center of one bolt hole to the center of the hole directly across from it. (Example: "8 on 6-1/2" means 8 bolt holes with 6-1/2" from the center of one hole to the center of another on the opposite side.)

Bolt Pattern - Side

Measuring the distance from the center of one bolt hole on the wheel to the center of a bolt hole right next to it can also help to determine the bolt pattern.

  • If D = 2-5/8", then the bolt pattern is 5 on 4-1/2"
  • If D = 2-3/4", then the bolt pattern is 5 on 4-3/4"
  • If D = 3", then the bolt pattern is 5 on 5"
  • If D = 3-1/4", then the bolt pattern is 5 on 5-1/2"

ACK126 Lionshead Castle Rock ST225/75R15 Radial ST Tire with 15" White 8-Spoke Rim - 6 on 5.5 - Load Range D

Alternate part number: A-HZCR-225RD-DXSP-150-600-6WHT

Replaces Lionshead A-HZCR-225RD-JGSR-150-600-6WHT, A-HZCR-225RD-NBSR-150-600-6W28, and A-HZCR-225RD-JGSP-150-600-6WHT

Customer Reviews

Castle Rock ST225/75R15 Radial Trailer Tire w/ 15" White Spoke Wheel - 6 on 5-1/2 - LR D - LHACK126

Average Customer Rating:  5.0 out of 5 stars   (39 Customer Reviews)

Radial tire has an 8-ply rating and a 2,540-lb max load at 65 psi. 15" x 6" Steel wheel has a 6 on 5-1/2 bolt pattern. Nitrogen fill maintains tire pressure. 1-Year No Excuses Guarantee on tire. Complimentary roadside assistance included.

- LHACK126

Perfect. Did not get a spare with my tr ailer.

- LHACK126

Great service fast shipping! Very pleas ed

- LHACK126

Exact tire as my new trailer tires and nitrogen filled. Super fast delivery with free shipping. Very pleased with all my purchases at etrailer.com

Hasn’t fallen off the spare tire carrier and iris covered up nicely with my President Trump tire cover!!
Trump 2 - 04/18/2019

- LHACK126

Great service.

- LHACK126

My original trailer tire order was not in stock... received an email with other options in stock which would ship immediately. Customer service was great and shipping was very fast

- LHACK126

Excellent tires arrived a day early, just in time to pull my camper to my fishing spot. Great company to do business with. Very satisfied.

- LHACK126

It was exactly what I need Ed thank youIt was exactly what I need Ed thank you

- LHACK126

Looks to be top notch!

- LHACK126

Bought this as a spare for travel trailer. Quick shipping!

- LHACK126

Bought the tire for my travel trailer and it looks great manufactured in late 2019 so nice to know I didn’t get an old tire when I payed for a new one.

- LHACK126

Great service and quick delivery!

- LHACK126

Very quick delivery, exact same tire and wheel that came on my new toy hauler, hopefully I won't need to use it as it going to be used as a spare tire.

- LHACK126

Great service and free shipping!

- LHACK126

Needed a spare for my camper, good price and free shipping

- LHACK126

Fast shipping, great customer service, and product was exactly as it was described.

- LHACK126

- LHACK126

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- LHACK126

Thank you for delivering a very good product in a very short time.

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Show More Reviews

Ask the Experts about this Castle Rock Trailer Tires and Wheels

  • Best Value Trailer Tire and Wheel with Size ST225/75-15 Load Range D with 6 Lug Bolt Pattern
    The best priced trailer wheel and tire with the size ST225/75R15 with a Load Range D on a wheel with a 6 on 5-1/2 inch bolt pattern is the Castle Rock part # LHACK126.
    view full answer...
  • Spare Tire Recommendations For 2021 Heartland Trail Runner 27RKS
    For your 2021 Heartland 27RKS I recommend the Castle Rock ST225/75R15 Radial Trailer Tire w/ 15" White Spoke Wheel # LHACK126 as a spare tire. This tire is of radial construction for great highway manners. It is filled with Nitrogen to help maintain the correct pressure as it will not leak down as easily as basic air. You can add air from a regular compressor if the air pressure does lower. It will not hurt it to not be topped off with nitrogen. For the carrier I recommend the Ultra-Fab...
    view full answer...
  • Is Castle Rock Wheel and Tire ST225/75R15 Balanced
    The tire and wheel combos we carry like Castle Rock ST225/75R15 Radial Trailer Tire w/ 15" White Spoke Wheel # LHACK126 are not machined balanced. You can have the tire and wheel combos balanced at a local tire shop if you wanted to. What most people find is that balancing trailer tires does not offer a significant enough change or improvement for it to be worth it. I attached a review video for this whee/tire as well as an FAQ on trailer tires for you to check out as well.
    view full answer...
  • Replacement Hub and Drum With 25580 Inner Bearing and LM67048 Outer Bearing
    Thanks for that info and we do have a replacement hub and drum for you with inner bearing # 25580 and outer bearing # LM67048, though you are going to need to take one more measurement, and with Digital Caliper # 301-17068 because it needs to be measured down to the thousandth of an inch. So, the correct hub and drum will depend on the size of the grease seal, and you'll need to measure your spindle where the seal rides to get that measurement. - 2.25" Diameter: Dexter Trailer Hub...
    view full answer...
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  • Upgrading a Dexter Torsion Axle to a Heavier Duty Option
    We would definitely be able to upgrade to a higher capacity Leaf Spring or Silent Ride set up. That being said, we do not carry torsion axles, so we do not have a bolt on upgrade available. The axle # 8327820-EB would upgrade you to 5,200 pounds per axle, but with the spring seats being 74 inches from center to center, it is pretty specific as to what it fits. As you do not have any spring seats on your current axle, you would need to measure from center of your frame to the center of...
    view full answer...
  • Availability of Lionshead Tire and Wheel With 205/75R15 Tires
    We can come close to what you need, but there is not an exact fit. We carry Lionshead Castle Rock tire and wheel combos with ST205/75R15 tires but they are load range C and the wheels have a 5 on 4-1/2 bolt pattern. The two options for those are white spoke wheel # LHACK130 and silver mod wheel # LHACK121 which have a maximum load of 1,820 lbs at 50 psi. There are Lionshead Castle Rock load range D tires available though they are ST225/75R15 tires and the wheels have a 6 on 5-1/2 bolt...
    view full answer...

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Info for this part was:

Employee Leah B
Edited by:
Leah B
Employee Jeff D
Installed by:
Jeff D
Employee Jameson C
Expert Research:
Jameson C
Employee Mary E
Written by:
Mary E
Employee Wilson B
Updated by:
Wilson B
Employee Alexander C
Updated by:
Alexander C
Employee Isabelle B
Updated by:
Isabelle B

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