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Westlake ST225/75R15 Trailer Tire with Matte Black Eagle Aluminum Wheel - 6 on 5-1/2
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Westlake

Westlake ST225/75R15 Trailer Tire with Matte Black Eagle Aluminum Wheel - 6 on 5-1/2

Part Number: WST36FR
In Stock
$279.37
Trailer Tires and Wheels
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Radial tire has 10-ply rating and 2,830-lb max load at 80 psi. 15" x 6" Aluminum wheel has 6 on 5-1/2 bolt pattern. Rustproof aluminum wheel has a 6-spoke design in matte black. Complimentary roadside assistance included. Great Prices for the best trailer tires and wheels from Westlake. Westlake ST225/75R15 Trailer Tire with Matte Black Eagle Aluminum Wheel - 6 on 5-1/2 part number WST36FR can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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Westlake Trailer Tires and Wheels - WST36FR

Highlights

  • Ready to Roll: Arrives mounted and inflated, so you can bolt it on and tow without extra shop time.
  • Hauls the Heavy Stuff: Load Range E, 10-ply tire handles up to 2,830 lbs at 80 psi for confident towing.
  • Steady on the Highway: Radial design with speed rating L (75 mph) runs cooler for smooth, reliable travel.
  • Rustproof and Tough: Matte black aluminum wheel resists corrosion and scuffs for long-lasting good looks.
  • Locks In Tight: Steel lug nut inserts keep the wheel securely in place and reduce retightening over time.
  • Built-In Assurance: Comes with 2-year roadside assistance, 5-year tire warranty, and 1-year wheel warranty.

Features to know about

Built for Heavy Loads and Real Highway Miles: Load Range E, 10-Ply, 75-mph Speed Rating

This Westlake ST225/75R15 radial tire and matte black Eagle aluminum wheel combo is made for serious towing. The tire has a 10-ply rating with a maximum load of 2,830 lbs at 80 psi and speed rating L (75 mph). Double steel belts, double polyester plies, and nylon overlays keep the tread firm and stable, while radial construction minimizes heat buildup for long life at highway speeds. Both wheel and tire meet DOT and FMVSS standards for dependable performance mile after mile.

Close-up image showing standard tread design on a Westlake radial trailer tire with solid ribs and minimal grooves.

Rustproof Strength You Can Count On: Matte Black Aluminum Wheel with Steel Lug Inserts

The 15" x 6" aluminum wheel looks sharp in its matte black Eagle 6-spoke design, but it’s built for more than looks. The aluminum construction is rustproof and lightweight, with an automotive-grade clear coat that protects against scratches and scuffs. Pressed-in steel inserts in the lug nut wells prevent wear around the bolt holes, helping the wheel stay tight on the hub without the need for constant retorquing.

Close-up view of Lionshead aluminum trailer wheel with steel lug nut inserts in each lug nut well.

Ready to Mount and Hit the Road: Pre-Mounted Tire-and-Wheel Assembly

No need to make a shop stop before you roll—this combo comes fully mounted so you can bolt it right on. The wheel uses a 6 on 5-1/2" bolt pattern, fits 1/2"-20 wheel bolts, and has a 4.25" pilot diameter. That means it’s ready to go with the right fit and air pressure straight out of the box for quick setup and reliable towing.

Extra Peace of Mind on Every Trip: Roadside Assistance and No Excuses Guarantee

This assembly includes complimentary roadside assistance for 2 years—available 24/7 anywhere in the United States, Canada, or Puerto Rico—so if you get a flat, help is just a call away. The tire also comes with a 1-Year No Excuses Guarantee: if it’s damaged within the first year outside of normal warranty coverage, it’ll be replaced at no charge, with a flat labor rate to cover mounting the replacement.

Specs

Tire Specifications

  • Tire size: ST225/75R15
  • Section width: 8.8"
  • Outer diameter: 28.3"

Wheel Specifications

  • Wheel dimensions: 15" diameter x 6" wide
  • Bolt pattern: 6 on 5-1/2"
  • Wheel bolt size: 1/2"-20
  • Pilot diameter: 4.25"

Weight and Capacity

  • Maximum combined tire and wheel: 2,830 lbs
  • Wheel capacity: 2,830 lbs
  • Tire capacity:
  • Load range: E
  • Ply rating: 10
  • Maximum load: 2,830 lbs at 80 psi
  • Maximum speed: 75 mph (speed rating L)

Warranty

  • Wheel warranty: 1-Year
  • Tire warranty: 5-Year
  • No Excuses Guarantee on tire: 1-Year
Determining Bolt Pattern

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.

Center to Center
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).

Center to Outside Edge
Common configurations: 5 on 4.5" (most popular), 5 on 5", 5 on 4.75", 5 on 5.5"

A-HZWL-225RE-SUOS-150-600-6MBM Lionshead West Lake ST225/75R15 Radial ST Tire with 15" Eagle Matte Black Aluminum Rim - 6 on 5.5 - Load Range E





Video of Westlake ST225/75R15 Trailer Tire with Matte Black Eagle Aluminum Wheel - 6 on 5-1/2
Video Thumbnail Video Player Dialog

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for A Closer Look at the Westlake ST225/75R15 Radial Tire w/ 15" Eagle Aluminum Wheel

Hello, everybody. This is Jeff at etrailer.com. Today, we're gonna take a look at this Westlake ST225/75R15 Radial Trailer Tire in a Load Range E, and it's mounted on this 15" Matte Black Eagle Series Aluminum Wheel. It has a 6 on 5-1/2" bolt pattern. Now, this tire wheel assembly is ideal for your RV or camper or your trailer. The wheel is an aluminum wheel.

It's very durable, lightweight, and rustproof. And, we mentioned, this is the Eagle Series, which you can see is a multi-spoke design. It has a complete matte black finish on it on the front and even on the back of the wheel. Now, on the front, they do use an automotive grade clear coat finish to protect the wheel from scuffs and scratches. Now, one of the nice features I like on this wheel is the steel inserts right here that they install in the lug nut wells, and that's designed to help keep the wheel securely in place on your trailer hub.

Basically, when you put this onto your hub, slide it over the wheel studs, put your lug nuts on, and then when you go to torque 'em down, those inserts will prevent the holes from elongating or wearing down, so it eliminates the need for constant re-tightening of your lug nuts. A few measurements on the wheel itself, the diameter is 15", the width is, just the wheel, is 6" wide. Now, the wheel does have a bolt pattern of 6 on 5-1/2". And if you wanna measure that on a wheel like this one, that's an even number of lugs. In this case, six.

It's pretty easy, 'cause if you look at the lug holes, they're directly across from each other, so when you go to measure it, all you have to do is pick any one of the holes, let's say this one, and measure from the center of this hole directly across to the center of the hole across from it. So, on this wheel it'll measure 5-1/2", so that means it's a 6 on 5-1/2" bolt pattern. It does use a wheel lug size of a 1/2' by 20. Weight capacity on just the wheel is 2,830 pounds. Now, if you notice, it does not include a center cap.

If you do want a center cap, we do sell those separately on our website. What you wanna make sure is when you get your center cap, you need to order the correct diameter center cap, so it'll fit into this pilot hole diameter, so when you install your cap, it'll install through this hole. The diameter on this pilot hole is 4.25". Now, the tire that's on this is a Westlake Radial Tire. This tire is constructed with double steel belts, double polyester plies for a nice long life. They do use a nylon tread firming belt overlay to help prevent tread separation. And it is a radial applied tire, so it's great for highway use. It is also an ST Tire, so it means it's a special trailer tire. It has sturdy sidewall so we can handle heavy loads, means it's created specifically for trailers. It's not intended for use on other vehicles. Now, the tire size, which will be stamped on the sidewall, you can see right here, "ST," we mentioned, for special trailer, 225/75R15. "R" means it's a radial tire. Section width on this, 8.8 inches. Overall diameter, 28.3. This tire is a low range E, which means it's a 10-ply radial tire. It has a maximum load capacity of 2,830 pounds at 80 PSI. And this tire wheel assembly does meet the DOT, Department of Transportation, specifications. I also wanna mention that the tires now come with speed ratings on 'em, and it's designated by a letter designation. And where you'll find that is right after the tire size we went over. You'll see two numbers and then the letter "L." Speed rating L will mean this has a 75-mile-per-hour speed rating. Now, they do offer complimentary roadside assistance for two years. Flat tire service is available 24/7 anywhere in the U.S., Canada, or Puerto Rico. But that's gonna do it for the review on this West Lake ST225/75R15 Radial Trailer Tire in a Load Range E, mounted on this 15" Matte Black Eagle Series Aluminum Wheel with the 6 on 5-1/2" bolt pattern.

Ratings & Reviews

4.9

155 reviews
5 Stars
(145)
4 Stars
(7)
3 Stars
(2)
2 Stars
(0)
1 Star
(1)
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by:
Great wheels and tires! etrailer parts all over this trailer, brakes, surge coupler, lights the lot!! 1982 ez loader trailer made brand new again! Awesome parts!
by:
Great tire and rim
by:
etrailer is really great to work with. 5 stars.
by:
by:
by:
Great product. Matches existing wheels exactly. Fast shipping too!
Kevin profile picture

Kevin

9/9/2026

Product has been working excellent. Great purchase!

Jameson C. profile picture
Etrailer Expert

Jameson C.

9/9/2026

@Kevin that's great to hear!
by:
All of my purchases with etrailer have been top notch. Wheels were packaged well and shipped quickly.
Claire H. profile picture
Etrailer Expert

Claire H.

5/15/2026

Your new wheels look great! Thank you for being a repeat customer :)

by:
Fastest shipping I’ve seen!!
Heather A. profile picture
Etrailer Expert

Heather A.

6/3/2026

Do you think we are faster than the online jungle!? Joking of course, what trailer is the new tire/wheel combo going on?

by:
Tire came in good packaging and in good condition.just finished mounting in on my travel trailer.
by:
These wheels look great on my travel trailer. I received these in two days after ordering them. They came in individual boxes which made them so easy to move and store till installing them.
Brooke M. profile picture
Etrailer Expert

Brooke M.

3/10/2025

Those look awesome, Everett! Thanks for the photo. Where are you headed to next with the trailer?

Everett profile picture

Everett

3/12/2025

@BrookeM Headed across hwy 50 through Nevada, northern California and up hwy101 north in Oregon. Then Idaho and Utah. From there, who knows. We live in North Texas. Have pulled this trailer to Alaka twice. I've bought lots of stuff from eTrailer. Thanks !!! Good People!
Brooke M. profile picture
Etrailer Expert

Brooke M.

3/20/2025

@Everett That sounds like an epic adventure right there! Alaska is GORGEOUS and I hope to go back and visit again someday! If you feel like sending in an pictures of your trip, wed love to see them! :)
Everett profile picture

Everett

11/6/2025

Best RV tires Ive owned. Put little over 13000 miles on them this year. Went from the west coast to the east coast. Not one flat tire. No abnormal tire wear. They still have good tread. Ready for another road trip. And always air them to 5psi less than stated on side of tire.

Everett profile picture

Everett

3/10/2026

Since installing them on my 30 travel trailer, we have traveled from Texas to the west coast and to the east. Put 14000 miles on these tires and they still are good for another long trip. Remember, correct air pressure and straight axles. Would purchase these again for sure. Highly recommend these whells and tires!!!!

by:
I was so excited I forgot to add a photo i absolutely love them
Heather A. profile picture
Etrailer Expert

Heather A.

5/8/2026

We got your photo! thank you for taking the time to send that. They look great! Any big summer plans?

Robert profile picture

Robert

5/13/2026

@HeatherA Thank you but no big plans, I use my camper for work, and my girl needed new shoes, they look great and you guys made this easy for me.
Heather A. profile picture
Etrailer Expert

Heather A.

5/13/2026

@Robert Well they look great, I hope work takes it easy on you!
by:
Nice wheels
Heather A. profile picture
Etrailer Expert

Heather A.

4/11/2026

Wow the wheels look awesome Robert! What trailer are they on?

by:
The tire and wheel both look nice and arrived one day later than the website showed which was no big deal for me.
Heather A. profile picture
Etrailer Expert

Heather A.

5/5/2025

Hey Matt, thanks for being flexible with the timing. Your wheels look great! What are they on?

by:
Fast shipping!!! Arrived in perfect condition and as described!!
by:
Arrived quickly for hundreds less than the trailer company charges for a spare. Fits perfect.
by:
They have the best customer service and kept me up to date with my order. These look great on my grand design!
by:
Does not come with center caps
by:
Exact match to what I have on my trailer
by:
Direct match spare for my Campfire reserve.
by:
great wheel and tire set up
by:
Great pricing and awesome communication. Highly recommend!
by:
Great packaging, fast shipment, quality wheel and tire. Thank you
by:
Came before ship date. Easy process. Thank you.
by:
Excellent service and fast delivery! I will definitely be back!
by:
Was a perfect match for the rims on my camper
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See what our Experts say about this Westlake Trailer Tires and Wheels

  • Is Westlake ST225/75R15 Radial Tire w/ 15" Eagle Aluminum Wheel Balanced
    Hey Bryan, our wheel and tire combos like the Westlake ST225/75R15 Radial Tire w/ 15" Eagle Aluminum Wheel # WST36FR come mounted but they do not come balanced as traditional wheel balancing is typically done with trailer wheels. It doesn't generally make much of a difference and the weights end up falling off. We do have balance beads like the part # CA66VR which you can use to balance the tires. These install into the tires and balance from inside the wheel. This part number comes with...
    view full answer...
  • High Load Rating ST225/75-15 Trailer Tires & Wheels
    Hello Humberto, The highest load rating for a ST225/75-15 trailer tire and wheel combo is a load range E, which is a 2,830 lb capacity. There are a couple options depending on the style you want: - Karrier ST225/75R15 Radial Tire with 15" White Spoke Wheel # AM32680 - Westlake ST225/75R15 Radial Trailer Tire w/ 15" Silver Mod Wheel # LHAW124 - Westlake ST225/75R15 Radial Tire w/ 15" Eagle Aluminum Wheel # WST36FR
    view full answer...
  • Spare Tire And Wheel For Winnebago Thrive 25RLS Travel Trailer With ST225/75R15 Maxxis Tires
    Hey Timothy, thanks for reaching out. We do have ST225/75R15 tires you can use for a spare for your Winnebago travel trailer. I don't have a way to look up the exact wheel type using the VIN, but looking at pictures of the Thrive 25RLS online, it appears they have a black aluminum spoke wheel. So, I'm not sure if what we have will be an exact OEM match, but I will list some similar options for you below. I'll also need you to confirm if your wheels are a 5 or 6 lug. Here is what we have: -...
    view full answer...

Do you have a question about this Trailer Tires and Wheel?


Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Jeff D
Installed by:
Jeff D
Employee Jameson C
Expert Research:
Jameson C
Employee Dustin K
Video Edited:
Dustin K
Employee Wilson B
Updated by:
Wilson B
Employee Sabrina W
Written by:
Sabrina W

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