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Castle Rock ST205/75R15 Radial Trailer Tire w/ 15" White Mod Wheel - 5 on 4-1/2 - Load Range C

Castle Rock ST205/75R15 Radial Trailer Tire w/ 15" White Mod Wheel - 5 on 4-1/2 - Load Range C

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Our Price: $150.59
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Shipping Weight: 39 lbs
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Radial tire has 6-ply rating and 1,820-lb max load at 50 psi. 15" x 5" Steel wheel has 5 on 4-1/2 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 Lionshead. Castle Rock ST205/75R15 Radial Trailer Tire w/ 15" White Mod Wheel - 5 on 4-1/2 - Load Range C part number LHACK120 can be ordered online at etrailer.com or call 800-298-1624 for expert service.
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  • Reviews (156)
  • Q & A (12)
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Lionshead Trailer Tires and Wheels

  • Tire with Wheel
  • 15 Inch
  • 5 on 4-1/2 Inch
  • 205/75-15
  • Load Range C
  • Steel Wheels - Powder Coat
  • Radial Tire
  • L - 75 mph
  • Lionshead

Radial tire has 6-ply rating and 1,820-lb max load at 50 psi. 15" x 5" Steel wheel has 5 on 4-1/2 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 modular 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 5" wide
  • Bolt pattern: 5 on 4-1/2"
  • Wheel bolt size: 1/2"-20
  • Wheel capacity: 1,870 lbs
  • Pilot diameter: 3.19"
  • Offset: 0
  • Tire size: ST205/75R15
    • Section width: 7.99"
    • Outer diameter: 27.12"
  • Tire capacity:
    • Load range: C
    • Ply rating: 6
    • Maximum load: 1,820 lbs at 50 psi
  • Tread depth: 9/32"
  • 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"

ACK120 Lionshead Castle Rock ST205/75R15 Radial ST Tire with 15" White Modular Rim - 5 on 4.5 - LR C


Replaces A-HZCR-205RC-JGMO-150-500-5WHT

Item # LHACK120

Customer Reviews

Castle Rock ST205/75R15 Radial Trailer Tire w/ 15" White Mod Wheel - 5 on 4-1/2 - Load Range C - LHACK120

Average Customer Rating:  4.9 out of 5 stars   (156 Customer Reviews)

Radial tire has 6-ply rating and 1,820-lb max load at 50 psi. 15" x 5" Steel wheel has 5 on 4-1/2 bolt pattern. Nitrogen fill maintains tire pressure. 1-Year No Excuses Guarantee on tire. Complimentary roadside assistance included.

- LHACK120

Tires/wheels arrived as advertised, aired up and ready to roll.

James - 05/17/2021

- LHACK120

The tire is exactly what is on the trailer but we purchased it as the spare tire. White rim was not desirable but given the cost of the aluminum rim and being the spare tire my husband felt he could live with a white rim!! :)

Its been a year and I would say it is workiing out just fine. We use it as a spare and fortunately we have not had a flat tire to put this tire on. So it is in the trailer collecting dust.....
Connie - 09/02/2020

- LHACK120

Tires had VERY deep treading, no blemishes, were N2 filled and at proper pressure. Rims were also without blemish and had hard a shiny baked enamel coating. They were well packed, receipted, and delivered quickly as promised. I have no negative comments to make. They are completely to my satisfaction.

- LHACK120

Fantastic customer service. I placed an order for the wrong product because I miss measured. Yet their customer service department immediately got me a return label and helped me get what I needed on the way. Really nice to have such helpful service when it's hard to find these days. Thank you.

- LHACK120

Wheel and Tire came as advertised, servicer was very efficient and simple, delivery was easily trackable. Would definitely use this company again.

- LHACK120

Great service. Delivered o time. Would have got 5 stars, but the tire pressure fluctuated from delivery to use but only in 2 of the 4 tires.

- LHACK120

An expensive yet quality option as a spare or replacement. I realized that radial tires are preferred and that bias-ply are generally not suitable for speeds above 50 MPH. I'd buy one of these again.

- LHACK120

product was as advertised. Shipping was a little slow but was taken care of when I called. All said and done i will order from etrailer again.

- LHACK120

I bought a spare tire and wheel from etrailer and the whole experience was great. It was easy to find my tire and wheel. The price was good and it was shipped immediately. I had my new tire in about 4 days and it was exactly what I wanted. It couldn’t have been a better.

- LHACK120

They arrived quickly, and we just completed a 4,000+ mile road trip with no issues! Maintained the tire pressure throughout. Great tires for the price!

- LHACK120

Thanks for the fast shipping.

- LHACK120

Great value, quality product, ready to mount out of the box!

- LHACK120

These look great and got here faster than I thought. Very very pleased. Also, the agent that helped me with the purchase was awesome!

Doing great. No problems at all
Andy K - 08/23/2020

- LHACK120

Ordered 4 new tires on rims for my trailer. I couldn't believe how fast I received them. Especially everything going on in the world right now. Packages, rims, even tire pressure we're all perfect no adjustments needed. Thanks etrailer I will definitely be ordering again. Might just go ahead and order me a spare tire now.

- LHACK120

It was excactly what I ordered and arrived ahead of the estimated delivery date!

- LHACK120

Just what I was looking for

- LHACK120

You were a great company to deal with. Everything was done accurately and quickly. Had two wheels and tires delivered three days after ordering. Communication was great also.

- LHACK120

Order response was excellent as before, Will continue to order from E trailer if at all possible Ordered just a tire and rim and the match was perfect! Great job!

- LHACK120

Ordering and delivery are always a breeze! Customer service is wonderful with etrailer.

- LHACK120

Excellent service and fast shipping

- LHACK120

Wheel arrived early...it’s an exact mat ch!

- LHACK120

Followed up with info was a pleasure doing business well buy again

- LHACK120

The tire and wheel were the ones we ordered and they arrived when they were suppose to. Service Manager at a RV Dealership

- LHACK120

Same ratings as at the store for a lower price point. I was able to get this wheel for the price of a low-load in town. Did the trick and came super fast.

- LHACK120

Was exactly what I had been looking for at great value and arrived exactly as promised. I would use e-trailer again and recommend to anyone. Thank you.

Show More Reviews

Ask the Experts about this Lionshead Trailer Tires and Wheels

  • Recommended Replacement Tire for a 2020 Riverside Retro 190BH Trailer
    From what I could find out, your 2020 Riverside Retro 190BH weighs right at 4,000 pounds, so it looks like you may need a tire with a D weight rating. The Westlake ST205/75R75 Radial Tire # LHAW120 will have this D weight rating, or 2,150 pounds at 65 psi, and will be a better match for your trailer. This is also a radial tire, making it good for highway use, and has an L speed rating, which is up to 75 miles per hour.
    view full answer...
  • Can P215/75-15 Tires Be Used On An Old Trailer
    The P215/75-15 tires you have on the trailer now are not correct and need to be changed immediately. The problem is these tires are rated P for passenger which cannot be used on a trailer since they don't have the needed sidewall capacity for this like special trailer ST tires do. Therefore, I recommend using the Castle Rock ST205/75R15 Radial Trailer Tire w/ 15" White Mod Wheel part # LHACK120 to replace all wheels/tires on the trailer as well as the spare. This wheels use a 5 on 4-1/2"...
    view full answer...
  • Special Trailer Tire Type Compatibility for Carry-On Trailer
    The spare tire on a trailer should always be the same size and the same load range rating (weight capacity) as the main tires but it is okay for the spare to be a radial when the main tires are bias ply, and vice/versa, since the spare will only be operated for a short time in the event that a main tire fails. The main tires that you run should always be identical in type, size, load range and speed rating. All should be ST type (special trailer) tires. Where and how you tow your trailer...
    view full answer...
    Image 1 for
  • Tire And Wheel Combo For A 5 on 4.5 Lug Spacing With A 205/75R15 Tire
    For a tire and wheel combination I recommend the Castle Rock ST205/75R15 Radial Trailer Tire w/ 15" White Mod Wheel - 5 on 4-1/2 - Load Range C Item # LHACK120. This wheel is going to be the closest wheel to the Dexstar Steel Mini Mod Trailer Wheel - 15" x 5" Rim - 5 on 4-1/2 - White Powder Coat Item # AM20443 however, the Dexter wheel does not come as a tire and wheel combo. The Castle Rock wheel is a steel wheel with a white powder coat finish just as the Dexter wheel. If you are...
    view full answer...
  • Spare Wheel and Tire Recommendation for Trailer with 205/75-15 Wheel and Tire
    Thanks for the picture of your wheel and tire! From that I can tell you need a 205/75-15 tire with a 5 on 4-1/2 inch bolt pattern. For a wheel and tire that will work great as a spare we have the Castle Rock ST205/75R15 Radial Trailer Tire w/ 15" White Mod Wheel - 5 on 4-1/2 - Load Range C # LHACK120 which has the same size tire and bolt pattern as well as has the same mod wheel design.
    view full answer...
  • Recommended 15 Inch Wheel with Tire for Utility Trailer
    Yes, I believe they are 5 on 4-1/2 inch bolt pattern. I've attached a printable template if you want to further confirm but 95ish percent of 5 bolt trailer hubs are that pattern. I've linked he page to all your options but for a utility trailer I recommend the Castle Rock ST205/75R15 Radial Trailer Tire w/ 15" White Mod Wheel - 5 on 4-1/2 - Load Range C # LHACK120. This combo comes with 2 years roadside assistance if you have a problem and specifically a 1 year warranty on the wheel...
    view full answer...
  • Picking Out Spare Wheel and Tire for Trailer Tire Size 205/75-15
    Nearly all 5 lug bolt patterns for trailer wheels use the 5 on 4-1/2 inch bolt pattern. I'd be willing to bet that's what you have as it's so popular. For that the Castle Rock Wheel and Tire part # LHACK120 is a really great option for a spare to have. It's priced great, has a higher speed rating, is a radial, and has a warranty that includes roadside assistance. I attached a link to a review video for this wheel and tire as well as a link to a page that has all the whee/tire combos...
    view full answer...
  • Recommended Air Pressure For Castle Rock ST205/75R15 Tire and Wheel Combo LHACK120
    The recommended air pressure for the Castle Rock ST205/75R15 Radial Trailer Tire w/ 15" White Mod Wheel - 5 on 4-1/2 - Load Range C # LHACK120 you were looking at is indeed 50 PSI. Trailer tires are different then vehicle tires in the sense that they have a much thicker side wall, and using any less than the max air pressure causes the sidewall to collapse and build excess heat in the tire. Heat is the main enemy of a tire, and can lead to uneven tire wear, and even blow outs. I included...
    view full answer...
  • Recommended Tire and Wheel for Spare to Best Match ST205/75D15 Tires with Dexstar Wheels
    The most common bolt pattern for your wheel and tire size is the 5 on 4-1/2 inch. I'm not sure if you have a color you wanted to match, but based on your given capacity the tire is Load Range C so here are my recommendations for your spare. Black=Kenda Loadstar ST205/75D15 Bias Trailer Tire w/ 15" Black Mod Wheel # AM3S664DX Silver=Castle Rock ST205/75R15 Radial Trailer Tire w/ 15" Silver Mod Wheel # LHACK121 White=Castle Rock ST205/75R15 Radial Trailer Tire w/ 15" White Mod Wheel...
    view full answer...
  • Can Radial And Bias Ply Tires Be Mixed On A Trailer?
    It is not recommended to mix bias ply and radial tires, so you would not want to use the Loadstar ST205/75D15 Bias Trailer Tire w/ 15" White Spoke Wheel - 5 on 4-1/2 - Load Range C # AM3S640DX to replace a flat ST205/75R15 tire. Bias ply and radial tires track and perform differently which can cause an unstable ride, and can wear tires quicker. I recommend going with the Castle Rock ST205/75R15 Radial Trailer Tire w/ 15" White Mod Wheel - 5 on 4-1/2 - Load Range C # LHACK120 which...
    view full answer...
  • Can ST205/75-14 be Used as Spare for ST205/75-15
    If you were in an emergency situation and your trailer had the ST205/75R15 installed like the # A15R645BMPVD that you referenced and you only had the tire size of ST205/75R14 I wouldn't blame you at all if you decided to run it to get home...now that said would I recommend you set yourself up for that situation? No I would not, it is important that you run the same size all around and I would say your most ideal situation would be to have a spare that is the correct size like our most economically...
    view full answer...
  • How Can I Verify Which Bolt Pattern My Trailer Wheels Are So I Can Order The Correct New Wheels?
    There sure is! You will want to measure your current wheel following the included help article that goes over measuring your bolt pattern. If you do have the 5 on 5" bolt pattern the Contender ST205/75R15 Radial Trailer Tire w/ 15" White Spoke Wheel - 5 on 5 - Load Range C # AC15R5WS you were looking at will fit perfectly. If you have the more common 5 on 4-1/2" bolt pattern instead then you will need # LHACK120 instead. I included a video of the # AC15R5WS for you to take a look at.
    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 Adam R
Expert Research:
Adam R
Employee Mary E
Written by:
Mary E
Employee Alexander C
Updated by:
Alexander C
Employee Isabelle B
Updated by:
Isabelle B

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