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Karrier ST225/75R15 Radial Tire with 15" White Spoke Wheel - 5 on 4-1/2" - Load Range D

Karrier ST225/75R15 Radial Tire with 15" White Spoke Wheel - 5 on 4-1/2" - Load Range D

Item # AM32545
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Kenda Tire with Wheel - AM32545
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Radial tire has a ply rating of 8 and a 2,540-lb maximum load at 65 psi. The 15" diameter x 6" wide steel trailer wheel features a 5 on 4-1/2 bolt pattern and a corrosion-resistant powder coat finish. Lowest Prices for the best trailer tires and wheels from Kenda. Karrier ST225/75R15 Radial Tire with 15" White Spoke Wheel - 5 on 4-1/2" - Load Range D part number AM32545 can be ordered online at or call 800-298-1624 for expert service.
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Kenda Trailer Tires and Wheels - AM32545

  • Tire with Wheel
  • 15 Inch
  • 5 on 4-1/2 Inch
  • 225/75-15
  • Load Range D
  • Steel Wheels - Powder Coat
  • Radial Tire
  • M - 81 mph
  • Kenda

Radial tire has a ply rating of 8 and a 2,540-lb maximum load at 65 psi. The 15" diameter x 6" wide steel trailer wheel features a 5 on 4-1/2 bolt pattern and a corrosion-resistant powder coat finish.


  • Kenda Karrier special trailer radial tire
    • Special trailer tire design
      • Couples the strength of a bias tire with the durability and stability of a radial tire
      • Created specifically for trailers and not intended for use on other vehicles
    • Double steel belts and full nylon plies combine for superior function and long life
    • Computer-generated tread design and premium rubber-compound materials
      • Superior traction in wet or dry conditions
  • 8-Spoke steel wheel by Dexstar
    • Resists rust with e-coat and white powder coat finishes
  • Tire-and-wheel assembly meets Department of Transportation specifications
  • Valve stem is constructed of steel reinforced rubber and rated up to 100 psi


  • Rim dimensions: 15" diameter x 6" wide
  • Bolt pattern: 5 on 4-1/2"
  • Capacity: 2,150 lbs
  • Wheel bolt size: 1/2"
  • Offset: 0
  • Pilot diameter: 3.19"
  • Tire size: ST225/75R15
    • Section width: 8.9"
    • Outer diameter (when inflated): 28.4"
  • Tire capacity:
    • Load range: D
    • Ply rating: 8
    • Maximum load: 2,540 lbs at 65 psi
  • Maximum speed: 81 mph (speed rating M)
  • Warranty:
    • 5-Year on tire
    • Limited 1-year on wheel

1-Year Worry-Free Guarantee

This tire has a 1-year worry-free guarantee. If within the first 12 months the tire is damaged in any way, it will be replaced at no charge.

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"

32545DX Karrier Radial Tire with Dexstar White Spoke Wheel - 15"

Customer Reviews

Karrier ST225/75R15 Radial Tire with 15" White Spoke Wheel - 5 on 4-1/2" - Load Range D - AM32545

Average Customer Rating:  4.9 out of 5 stars   (2941 Customer Reviews)

Radial tire has a ply rating of 8 and a 2,540-lb maximum load at 65 psi. The 15" diameter x 6" wide steel trailer wheel features a 5 on 4-1/2 bolt pattern and a corrosion-resistant powder coat finish.

- AM32545

Well, we had to wait for the supply chain to coach up which was approx 2 1/2 to 3 weeks. Once the tires were in they shipped the next day, excellent. They arrived is great shape due to the heavy boxing each were in, thank you etrailer!!

- AM32545

Excellent service and value. Emily and George made sure I had the best matching rims and tires for our travel trailer. I had overlooked the inside bore for a particular rim, but Emily and George noticed my mistake, contacted me and allowed me to correct the oversite before they shipped. This potentially saved returns, angst, and frustration. You guys ROCK!! I've put the rims and tires on our unit and they look great but it's Winter in the high country so I haven't had a chance to road test but have a trip planned for next month and will follow up then.

- AM32545

great experience working with you kept me up to date and shipping was fast

- AM32545

Had big trip coming up and needed tires within two weeks. Placed order and crossed fingers they'd arrive in time. Much to my surprise, they arrived a day later... Now I've got two weeks to stress about other things related to my trip. The tires look great.

- AM32545

Holding up well. Great transaction. Will definitely buy these again when needed. Etrailer very helpful 100% recommend them

- AM32545

Good quality. Super fast free shipping. The shipping speed that I receive on every order that I have placed with etrailer is great.

- AM32545

great service and great product

- AM32545

Arrived early and packaged well!

- AM32545

everything is as ordered and look great only problem is tires are going on an old trailer and now I will have to paint it to match the new tires and rims such is life

- AM32545

Delivery was as promised. Products in good condition upon arrival. Tires and rims are an excellent buy. My local tire store wanted same price for just the tire. Wheel covers were better quality than ones I purchased in the past at Camping World. Bottom line I look forward to doing business with in the future

- AM32545

The wheel and rim were exactly as advertised. They arrived quickly in a large box and fits perfectly. I am very satisfied with my purchase and would definitely order from again. I would include a picture but it is exactly as pictured on the site.

- AM32545

Great tire and rim, note, it was packed in a strong cardboard box, I was very impressed, and satisfied. Eddie. But I need to get new lug nuts. , white rims look dirty already. Sorry no pictures.

- AM32545

Our new camper did not come with a spare so I ordered one from etrailer and a tire cover. It arrived a couple days later and fit like I was hoping and the sales lady helped me to fine the appropriate tire cover that fits great. Prices were very reasonable and their service was great!

- AM32545

Great tire wheel combo made it easy to upgrade would recommend.

- AM32545

Great products and very fast shipping well pleased. How a business should work will be my number 1store from now on.

- AM32545

Service was great and fast delivery

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- AM32131

Review from a similar Karrier Steel in Trailer Tires and Wheels

Bought these to replace the small 5.30-12 tires that were on a small pop up camper I bought. Flipped the axle and added these for extra height. They arrived very quickly. I was shocked at how fast i received these wheels….roughly 48 hours after Purchase. The price and quality is unbeatable. Super happy with how everything turned out. Thanks etrailer!

Show More Reviews

Ask the Experts about this Kenda Trailer Tires and Wheels

  • Spare Tire Recommendation for a 225/75R15 on a Trailer
    The Kenda Karrier ST225/75D15 Bias Trailer Tire with 15" White Spoke Wheel # AM32545 that you referenced would be the same size and would technically work, but since your trailer currently has radials on it I would recommend you go with a radial instead of a bias ply tire like what this one has. For that you would want the part # AM32459. This tire is a bit more expensive but it would be your best option. It is highly recommended you use the same tire construction for all trailer tires. The...
    view full answer...
  • Is ST225/75D15 Bias Trailer Tire w/15 White Mod Wheel 5 on 4-1/2 Load Range D Balanced
    Kenda Karrier ST225/75D15 Bias Trailer Tire with 15" White Spoke Wheel # AM32545 is balanced in a specific way. What manufacturers do is line up the light spot in the wheel with the heavy spot on the tire to achieve some balance. They are not balanced with weights like a vehicle tire though. You can have that done if you want by a local tire shop as long as they use the pin plate adapter.
    view full answer...
  • Spare 15 Inch Tire/Wheel Combination For Camping Trailer
    When choosing a replacement wheel and tire you will want to make sure you get a wheel with the correct wheel bolt pattern that matches your trailer. I have attached a helpful article that shows how to determine the wheel bolt pattern of your wheels. I have also attached a link to our product page for the tire/wheel combinations that have tires as you described. You can use the filters to find the correct bolt pattern and style of wheel as well as the Load range tire you are looking...
    view full answer...
  • Trailer Wheel and Tire Recommendation for a 20 foot Enclosed Car Trailer
    As long as you have a 5 on 4-1/2 inch bolt pattern the # AM32545 that you referenced would be a great choice for a wheel and tire as it is a radial tire setup with a capacity of 2,540 lbs per wheel when inflated to the max psi of 65. I attached an FAQ on determining bolt pattern for you to check out if you are unsure what your bolt pattern is. Special trailer tires should be inflated to their maximum air pressure. If a trailer tire is inflated to a lower air pressure than the maximum,...
    view full answer...
  • What Is The Max PSI of a 15 Inch Wheel With 6 on 5-1/2 Bolt Pattern?
    The maximum psi rating for a wheel (or rim) is based on the valve stem and the tire rather than the wheel itself. The wheel will have a load capacity but is not restricted by the psi. So, you can choose a wheel with the bolt pattern you desire and then choose a tire and valve stem compatible with the tire load rating at whatever psi. The load capacity at that psi is the max psi of the tire as it is always supposed to be run at its max psi when inflated prior to a trip (cold). For...
    view full answer...
  • Recommended Tire Pressure for 225/75R15 Trailer Tires
    The proper tire pressure at all times is the max pressure listed on the side of any trailer tires. Trailer tires are rated for weight capacity and designed to function based on that maximum tire pressure. The tires should be inflated cold, meaning that they should be at max listed psi (in your case 65 psi) prior to traveling. The road friction heats up the tires and gives an incorrect reading of max pressure when inflated part way through a trip. If you need to check tire pressure while...
    view full answer...
  • Explaining Cold Tire Pressure Rating Recommendation for Trailer Tire
    That means that when you go to inflate the tires you would inflate them to 80 psi when the tire is "cold" or first thing in the morning or before the trailer gets on the road and warms them up. Any pressure fluctuation from there would be totally normal.
    view full answer...
  • What Does Cold Mean When Inflating Trailer Tire to Max Rating When Cold
    Trailer tires have max PSI ratings which they need to be inflated to when the tire is "cold." Cold means when the trailer is inactive enough that the tire is now the same temperature as the ambient air. It does not mean the tire needs to be cooled in any way. Typically it's easiest to check and inflate tires first thing in the morning or before the trailer has moved for the day and that would be the correct "cold" reading.
    view full answer...
  • What is the Weight Capacity of the Karrier 225/75R15 Radial Tire with 15 White Spoke Wheel AM32545
    The Karrier ST225/75R15 Radial Tire with 15" White Spoke Wheel part # AM32545 that you referenced comes with a tire that has a 2,540 lb weight capacity and a wheel that has a 2,150 lb weight capacity. This is not uncommon however, generally speaking the wheel has a weight capacity higher than that of the tire but that is not the case for this particular combination. With that being said, the lower of the two (tire/wheel) will always need to be the figure you abide by. Therefore, the weight...
    view full answer...
  • Recommended Tire And Wheel For Trailer With Higher Weight Capacity
    The tire that is included with the tire/wheel combo, part # AM32545 has a higher rating because it is designed to fit wheels with 5 lugs and 6 lugs. Many of the 6-lug wheels will have a higher capacity that the 5-lug. You may want to purchase the tire and wheel separately. We have the Dexstar Steel 8-Spoke Trailer Wheel, part # AM20522 that has a capacity of 2,150 lbs. You could then order the Karrier ST225/75R15 Radial Trailer Tire, part # AM10303, which would work great with the wheel...
    view full answer...
  • Wheel and Tire Recommendation for Trailer with ST225/75R15 with 5 on 4-1/2 inch Bolt Pattern
    Based on the tire size you listed you have a radial version of the trailer tire size 225/75-15 on your trailer currently so that is what I would recommend you stick with as that will give you the most consistent ride quality. For a wheel and tire in this size with a 5 on 4-1/2 inch bolt pattern I would recommend the part # AM32545 as it is priced great and it has an 81 mph speed rating.
    view full answer...
  • Tire Compatibility Moving Up Sizes For Ground Clearance
    On your Whitewater Retro Travel Trailer 166, your Torsion axle may allow you to add lift kit # K71-707-01 if you have Dexter axles. This would give you 2-5/8 inches of additional lift. This would require 8 inches between the holes on center for this kit at the axle mounting location. Changing your tires from 205/75r14 which are 26.3 inches outer diameter to the Karrier ST225/75R15 Radial Trailer Tire w/ 15" White Spoke Wheel # AM32545 will move that outer diameter to 28.4 inches and...
    view full answer...
  • Tires For Horse Trailer
    The Karrier # AM32545 tires and wheels are rated for 2150 pounds per wheel. If you have a single axle with two wheels then your capacity (trailer, horses, and cargo) would be 4300 pounds. The tires on a tandem axle trailer with four wheels would have 8600 pounds total capacity. If that meets your needs then just verifty that they will fit on your trailer. First these tires are 28.4" in outside diameter, and the bolt pattern is 5 on 4.5 inch. I have attached a guide to measuring the bolt...
    view full answer...
  • Availability of 225/75R15 Tire on White Spoke Wheel with 5 on 4-1/2 in Bolt Pattern
    Sounds like you are looking for the part # AM32545 . This is the Kenda Karrier tire 225/75R15 mounted on a white trailer wheel with 8 spokes and a 5 on 4-1/2 inch bolt pattern. The price is down below at the product link. Kenda does make great wheels and tires and Karrier is comparable to the Provider you referenced.
    view full answer...
  • Recommended Replacement Tires and Wheels for Additional Height and Strength
    There is not a fit for the tire size and bolt pattern you desire. You would need to either change your bolt pattern or go with a 15 inch wheel. However, you can still gain some height when you go with the ST225/75R15 Radial Trailer Tire w/ 15" White Spoke Wheel # AM32545 and gain strength over your current tires. The outer diameter will be 28.4 inches instead of the 27.4 inches you currently have. This gives you 1 inch difference and will raise your trailer 1/2 inch. It also has a...
    view full answer...
  • Does the ST225/75D15 Bias Trailer Tire with 15 White Spoke Wheel Come Balanced
    The trailer tire and wheel combination is received from the supplier already with the tire mounted on the wheel. The supplier does not balance the combination, but when the tire is installed to the wheel they will line the high (heavy) spot on the tire with the low (light) spot on the wheel. This does not completely balance the tire and wheel combination in the same way as a vehicle tire but it does eliminate any excessive out of balance condition.
    view full answer...
  • Recommended Trailer Tires and Wheels for Adventure Trailer
    For your Adventure trailer, I recommend the Karrier ST225/75R15 Radial Tire with 15" White Spoke Wheel # AM32545 if you have the 5 on 4-1/2 inch bolt pattern. This tire and wheel combination is rated for 2,540 lbs at 65 psi and speeds up to 81 mph. It also comes with the 2 year warranty that includes complementary roadside assistance. If you have the 6 on 5-1/2 bolt pattern, then I recommend # TTWA225R6WS which have the same ratings and warranty. These tires are radials and will...
    view full answer...
  • Where is the Dexstar Steel Spoke Trailer Wheel w/Tire # AM32545 Made
    The rim of the Dexstar Steel Spoke Trailer Wheel w/Tire # AM32545 is made in the USA, but the tire is made overseas. Most all of the trailer tires are now made overseas. I attached an FAQ on trailer tires for you to check out as well.
    view full answer...
  • Trailer Wheel and Tire Recommendation with Tire Size 225/75R15 with Wheel 5 on 4-1/2 inch
    The closest match we have is the Karrier ST225/75R15 Radial Tire with 15" White Spoke Wheel - 5 on 4-1/2" - Load Range D # AM32545. This is a white wheel with a 5 on 4-1/2 inch bolt pattern with a tire size of 225/75R15 mounted on it except it's a Load Range D. The weight capacity of it then would be 2,540 lbs at 65 psi and it has a speed rating of 81 mph.
    view full answer...
  • Can a P235/75-R15 Tire Be Used on a Horse Trailer
    I do have a way for you to make sure you have the correct tires on your horse trailer but unfortunately, trailer manufacturers do not grant access to this information without the VIN. If the trailer manufacturer is no longer in business then the only other option would be to look for the information sticker. In regards to size, as long as you have the proper clearance which is 4" between the top of the tire and bottom of the fender and 1" between the side of the tire and frame, then...
    view full answer...
  • Recommendation For a Larger Tire After Doing an Axle Flip
    Flipping an axle can cause there to be a pretty large gap between the wheel and fender, so you can definitely go larger with your tires. That being said, the 5 bolt patterns will only go up to a 15 inch wheel. The Kenda Karrier ST225/75R15 Radial Tire with 15" White Spoke Wheel # AM32545 will have a diameter of 28.4 inches. This will also use a 5 on 4 1/2 bolt pattern. This looks like the bolt pattern you have, but it should be verified before getting too far ahead of ourselves. When...
    view full answer...
  • Can a Trailer with 205/75R15 Tires Have 225/75R15 Tires Installed
    The overall capacity of a trailer is more than just the weight capacity of the wheels and tires. You also need to consider the capacity of the axles, brakes, frame, and coupler. Most likely increasing the tire/wheel capacity will not increase the overall capacity of the trailer, but if it was the weakest link it would at least raise it a little bit. As long as the rim you have on your trailer is between 6 and 7 inches in width a 225/75-15 tire like the part # TTWTRTM2257515D would fit...
    view full answer...
  • Can You Upgrade Load Capacity Rating On Same Size Tires?
    It is okay to step up from load range D to load range E tires. The dimensions are the same just the sidewall ply rating is different. The load range D tires are rated 8 ply and the range E tires are rated 10 ply. Moving one size is not an issue. If you want to compare prices, we have both load range D tires like the Taskmaster Contender ST225/75R15 Radial Trailer Tire - Load Range D # C22515D and the Kenda Karrier ST225/75R15 Radial Trailer Tire - Load Range E # AM10303. We...
    view full answer...
  • Spare Trailer Tire and Wheel Recommendation
    For your extra spare tire, if your trailer has a 6 on 5-1/2 bolt pattern, I recommend the Taskmaster ST225/75R15 Trailer Tire with 15 Inch Silver Mod Wheel - 6 on 5-1/2 Load Range D # A225R6SMQ. This is a radial tire and has a max load of 2,540 pounds at 65 psi. The pilot diameter is 4-1/4 inches, section width is approximately 8-3/4 inches, and outer diameter is approximately 28-5/16 inches. If your trailer has a 5 on 4-1/2 bolt patter, I recommend our Kenda Karrier ST225/75R15 Radial...
    view full answer...
  • Can 265/75R15 Tires Be Replaced with ST225/75R15 Tires on Trailer
    An ST225/75R15 trailer tire like the Kenda Karrier # AM10256 that you're looking at will fit a 15 inch wheel that has a 6, 6-1/2, or 7 inch width. Your existing 265/75R15 size tires are compatible with 15 inch wheels that have a width of between 7-9 inches. This means there's a chance the smaller tire will fit your existing wheel but only if it has a 7 inch width. It's more likely though that what you have is too wide to allow for a proper mount. If you find that your wheels are wider...
    view full answer...
  • Can Larger Tires be Used on a Trailer if there is Clearance for the Bigger Size
    Yes, you can switch from 205/75-14 tires to 225/75-15 tires if you have the clearance all around the existing tires. You will also need to replace the wheels though because a 15 inch tire will not fit on a 14 inch wheel. I recommend going with radial tires since they track better and run cooler than bias ply. For a 225/75-15 radial load range D tire and wheel combo with 5 on 4-1/2 bolt pattern I recommend # AM32545. Please note that going to a higher capacity tire does not increase...
    view full answer...
  • Recommended 15 Inch Radial Tire/Wheel Combos With 5 on 4-1/2 Bolt Pattern And 6 Inch Wide Wheels
    We have a few wheel/tire combinations that match all of the criteria you mentioned. Selecting one of the combos will depend on the type wheel you want, and load range you prefer. If you want a galvanized wheel I recommend part # AM32397. This is a Load Range C tire with a maximum load capacity of 1,820 lbs at 50 psi. For a white 8-spoke wheel I recommend part # AM32459. This has a load capacity of 2,150 lbs at 50 psi, and is a Load Range C tire. For a Load Range D tire with...
    view full answer...
  • Spare Wheel and Tire with Tire Size 225/75-15 with 5 on 5 inch Bolt Pattern
    What size does the tire say on the sidewall? 5 on 5 inch isn't a very common bolt pattern either so you might check that as well.
    view full answer...

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