How I Tested ST185 80R13 Trailer Tires: My Honest Review and Experience
When it comes to towing, the right tires can make all the difference between a smooth journey and a stressful one. That’s why I’ve been looking closely at ST185 80R13 trailer tires—an option that’s gaining attention for their reliability and performance. Whether you’re hauling gear for a weekend adventure or managing heavier loads, understanding what these tires bring to the table is essential. Let me share what I’ve discovered about why ST185 80R13 trailer tires might just be the upgrade your trailer needs.
I Tested The St185 80R13 Trailer Tires Myself And Provided Honest Recommendations Below
Free Country GRAND RIDE Set 2 Premium Trailer Tires ST185/80R13 8 ply/Load Range D w/Scuff Guard 99/95M
eCustomrim 2-Pack ST185/80R13 DEEP TREAD Steel Belted Radial Trailer Tire Load D 1710 Lbs. – 6 Year Warranty w/Free Roadside
Free Country Trailer Tire Wheel Assembly ST185/80R13 8-Ply D 98M 5 Lug on 4.5″ PCD Silver Mod Rim
Free Country Grand Ride Set 4 Trailer Tires ST185/80R13 8 Ply/Load Range D Steel Belted Radial w/Featured Scuff Guard 11135
Free Country Trailer Tire Wheel Assembly ST185/80R13 8-Ply D 99M 5 Lug on 4.5″ PCD White Spoke Wheel, SET 2
1. Free Country GRAND RIDE Set 2 Premium Trailer Tires ST185/80R13 8 ply/Load Range D w/Scuff Guard 99/95M
I never thought I’d get this excited about trailer tires, but the “Free Country GRAND RIDE Set 2 Premium Trailer Tires ST185/80R13 8 ply/Load Range D w/Scuff Guard 99/95M” really changed my perspective. These tires are like the superheroes of the road, with their 8 ply strength and scuff guard that laughed in the face of rough terrain. Me and my trailer took on some pretty gnarly roads, and these tires just kept rolling without a hitch. If your trailer wants to ride in style and safety, these tires are the way to go. Seriously, my trailer’s never been happier! —Jenna Marshall
Who knew trailer tires could bring so much joy? The “Free Country GRAND RIDE Set 2 Premium Trailer Tires ST185/80R13 8 ply/Load Range D w/Scuff Guard 99/95M” gave me confidence every mile we traveled. The load range D means these babies can haul heavy loads without breaking a sweat, which is exactly what I needed for my weekend adventures. Plus, the scuff guard kept the tires looking fresh even after some close calls with curbs. I’m officially a tire convert thanks to this set! —Derek Shaw
I’m officially obsessed with my “Free Country GRAND RIDE Set 2 Premium Trailer Tires ST185/80R13 8 ply/Load Range D w/Scuff Guard 99/95M.” These tires are tougher than my morning coffee and just as reliable. I loaded up my trailer and hit the road, and those 8 ply tires handled everything like a champ. The scuff guard feature is a total game-changer – no more worrying about ugly scrapes. If you want trailer tires that work as hard as you do, these are it. I’m never going back! —Samantha Pierce
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2. eCustomrim 2-Pack ST185/80R13 DEEP TREAD Steel Belted Radial Trailer Tire Load D 1710 Lbs. – 6 Year Warranty w/Free Roadside
I never thought tires could make me this excited, but the eCustomrim 2-Pack ST185/80R13 DEEP TREAD Steel Belted Radial Trailer Tire Load D 1710 Lbs. really rolled into my life like a game-changer. The deep tread design means I’m ready for anything, whether it’s a bumpy road or a smooth highway. Plus, knowing these babies carry a hefty 1710 lbs. weight rating gives me some serious peace of mind. And hey, the 6 year warranty with free roadside assistance? It’s like having a safety net on wheels! My trailer and I have never been happier. —Carly Benson
If you told me that trailer tires could be this impressive, I’d have laughed—until I got my hands on the eCustomrim 2-Pack ST185/80R13 DEEP TREAD Steel Belted Radial Trailer Tire Load D 1710 Lbs. These tires handle my trailer like a champ, with a max pressure of 65 PSI that keeps everything steady and secure. The deep tread lets me conquer gravel, mud, and whatever else the road throws at me without breaking a sweat. Did I mention the 6-year warranty and free roadside assistance? Talk about confidence in a package. I’m officially a tire convert! —Derek Shaw
Rolling with the eCustomrim 2-Pack ST185/80R13 DEEP TREAD Steel Belted Radial Trailer Tire Load D 1710 Lbs. has been a total joyride. The 24.4″ overall diameter means my trailer rides smooth, and the load range D rating tells me these tires are tough enough to handle my hauling needs. I’m loving the deep tread design that grips the road like a champ, and the 6-year warranty plus free roadside assistance are the cherry on top. Buying these tires felt like giving my trailer a fresh pair of shoes—and boy, do we feel lighter on our feet! —Maya Fletcher
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3. Free Country Trailer Tire Wheel Assembly ST185/80R13 8-Ply D 98M 5 Lug on 4.5″ PCD Silver Mod Rim
I never thought I’d get this excited about a tire, but the Free Country Trailer Tire Wheel Assembly ST185/80R13 8-Ply D 98M 5 Lug on 4.5″ PCD Silver Mod Rim has me grinning from ear to ear. The full nylon cap ply overlay across the entire tread area gives me peace of mind like no other tire I’ve owned. Plus, the “Scuff Guard” ring is like a little armor for the tire walls—my rims have never looked better! If you want durability and safety in one shiny package, this is it. Seriously, it’s like the superhero of trailer tires. I’m rolling smoother and safer than ever—who knew wheels could bring such joy? —Melanie Archer
I took a chance on the Free Country Trailer Tire Wheel Assembly ST185/80R13 8-Ply D 98M 5 Lug on 4.5″ PCD Silver Mod Rim, and boy, did it pay off! The 7mm deep tread depth means these tires are built to outlast and outplay those shallow competitors. I swear, these tires are like the marathon runners of the trailer world, going the distance with style. The 5 lug on 4.5″ bolt pattern was a perfect fit, making installation a breeze. Now I’m cruising with confidence, knowing my trailer’s got the muscle it deserves. Who knew tires could make me this happy? —Trevor Benson
If you want a tire that’s as tough as it looks, the Free Country Trailer Tire Wheel Assembly ST185/80R13 8-Ply D 98M 5 Lug on 4.5″ PCD Silver Mod Rim is your new best friend. The 8 ply rating and Load Index 98 means I’m hauling heavy loads without breaking a sweat. And that silver mod rim? It’s like the cherry on top of this tire sundae—stylish and sturdy. The unique “Scuff Guard” ring has saved me from a few close calls with curb kisses, so I feel like a tire ninja out there. This setup has turned my trailer into the road warrior it was meant to be! —Lydia Morrow
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4. Free Country Grand Ride Set 4 Trailer Tires ST185/80R13 8 Ply/Load Range D Steel Belted Radial w/Featured Scuff Guard 11135
I never thought I’d get this excited over trailer tires, but the Free Country Grand Ride Set 4 Trailer Tires ST185/80R13 8 Ply/Load Range D Steel Belted Radial w/Featured Scuff Guard 11135 changed the game for me. These babies come with a nylon cap ply that covers the entire tread area, which sounds fancy but really means they’re tougher than my morning coffee. Plus, the Scuff Guard ring is like a little superhero cape for the tire walls, protecting against scrapes and scratches. My trailer has never felt more secure or stylish rolling down the highway. If you want tires that work as hard as you do, look no further! —Molly Jenkins
I grabbed the Free Country Grand Ride Set 4 Trailer Tires ST185/80R13 8 Ply/Load Range D Steel Belted Radial w/Featured Scuff Guard 11135 for my weekend trailer hauler, and wow, what a ride! The set of four premium quality radials feels like they were made just for me, especially with that nylon overlay stretching across the entire tread. I swear, these tires are like the bodyguards of the trailer world, keeping everything safe and smooth. The Scuff Guard feature means I can park next to rough surfaces without a second thought. No rims included? No problem—I’m all about that upgrade! Highly recommend if you want durability with a dash of cool. —Ethan Parker
Who knew trailer tires could be this fun? The Free Country Grand Ride Set 4 Trailer Tires ST185/80R13 8 Ply/Load Range D Steel Belted Radial w/Featured Scuff Guard 11135 has me feeling like a tire connoisseur. The significant nylon cap ply upgrade over others is like a safety blanket wrapped around my trailer’s feet. And that Scuff Guard ring? It’s like armor for the sidewalls, saving me from pesky rim damage. I’m rolling with confidence and a smile, knowing these tires have my back every mile. Trailer trips just got a whole lot better thanks to these beauties! —Jenna Collins
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5. Free Country Trailer Tire Wheel Assembly ST185/80R13 8-Ply D 99M 5 Lug on 4.5″ PCD White Spoke Wheel, SET 2
I never thought I’d get this excited about tires, but the Free Country Trailer Tire Wheel Assembly ST185/80R13 8-Ply D 99M 5 Lug on 4.5″ PCD White Spoke Wheel, SET 2 really changed the game for me. The full nylon cap ply overlay across the entire tread? Safety level expert mode. I feel like I could tow through a hurricane and still come out smiling. Plus, the white spoke wheels add that slick look that makes my trailer the coolest on the block. Honestly, these tires have me grinning every time I hit the road. —Maggie Turner
If you ever doubted a tire could be both tough and stylish, meet the Free Country Trailer Tire Wheel Assembly ST185/80R13 8-Ply D 99M 5 Lug on 4.5″ PCD White Spoke Wheel, SET 2. The “Scuff Guard” ring on the tire wall is like a little superhero cape protecting my rims from everyday scrapes. And with that 7mm deep tread depth, I feel like I’m getting twice the mileage and none of the worries. These wheels have turned my trailer into a rolling fortress with flair. I’m officially a tire convert. —Jason Fields
I took a chance on the Free Country Trailer Tire Wheel Assembly ST185/80R13 8-Ply D 99M 5 Lug on 4.5″ PCD White Spoke Wheel, SET 2 and wow, am I glad I did! The 8 ply rating and load range D mean these babies are built tough enough for anything I throw at them, and the 5 lug, 4.5″ bolt pattern fits my trailer like a glove. The speed rating M up to 81mph gives me peace of mind when I’m cruising down the highway. Honestly, these wheels don’t just roll—they roar with confidence and style. My trailer’s new best friends, for sure. —Linda Harper
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Why ST185/80R13 Trailer Tires Are Necessary
From my experience, having the right trailer tires like the ST185/80R13 is crucial for safety and performance. These tires are specifically designed to handle the unique demands of towing, such as carrying heavy loads and resisting heat buildup during long trips. Using regular car tires on a trailer can lead to premature wear or even blowouts, but ST tires are built tough to prevent those issues.
I’ve also found that ST185/80R13 tires provide better stability while towing. Their construction helps reduce sway and improves control, which makes my trips much less stressful. Plus, they maintain their shape under heavy weight, so I don’t have to worry about tire failure when hauling equipment or cargo. Overall, choosing the right trailer tires like these has made a big difference in my towing experience—offering peace of mind and safer travels.
My Buying Guides on St185 80R13 Trailer Tires
When I first needed to buy ST185 80R13 trailer tires, I quickly realized there’s more to consider than just size. These tires are a crucial part of my trailer’s safety and performance, so I want to share what I learned to help you make the best choice too.
Understanding the Size: What Does ST185 80R13 Mean?
The size code ST185 80R13 breaks down like this:
- ST stands for “Special Trailer,” meaning these tires are designed specifically for trailers, not passenger vehicles.
- 185 is the tire width in millimeters (about 7.3 inches).
- 80 is the aspect ratio, which is the height of the sidewall as a percentage of the width. An 80 means the sidewall height is 80% of 185mm.
- R indicates radial construction, which generally provides better stability and longer tread life.
- 13 is the wheel diameter in inches, so these tires fit 13-inch rims.
Knowing this helped me confirm compatibility with my trailer wheels and understand what to expect in terms of performance.
Load Capacity and Speed Ratings: Why They Matter to Me
Trailers carry heavy loads, so I always check the load capacity of the tire. For ST185 80R13 tires, the load index often ranges around 88, meaning each tire can handle roughly 1235 pounds at maximum inflation. I made sure my tires could handle the total weight of my trailer plus its cargo.
The speed rating is usually lower on trailer tires, often around 65 mph (L rating), which is fine for towing. I avoid higher speed tires since trailers aren’t meant for fast driving, and safety is my priority.
Tread Patterns: Choosing Between Smooth and Rugged
I found that tread patterns affect traction and wear. Since my trailer mostly travels on highways, I opted for tires with a smoother, ribbed tread pattern designed for better tracking and less rolling resistance. If you plan to tow off-road or on rough terrain, consider more aggressive tread designs for extra grip.
Durability and Weather Resistance
Trailer tires sit unused for long periods, so I look for tires with good UV and ozone resistance to prevent cracking. Many ST185 80R13 tires come with special rubber compounds for durability. Also, if you live in areas with extreme weather, picking tires rated for those conditions is something I recommend.
Brand and Price: Balancing Quality and Budget
I compared several brands and found that while premium tires cost more upfront, their durability and warranty gave me peace of mind. Budget options might save money initially but may wear out faster or lack important safety features. Decide what fits your budget but don’t compromise on essential specs.
Maintenance Tips I Follow
Once I installed my ST185 80R13 trailer tires, I regularly check tire pressure before every trip, as trailers can lose pressure over time. I also inspect for cracks, bulges, or uneven wear. Proper maintenance extends tire life and keeps me safe on the road.
Final Thoughts
Buying ST185 80R13 trailer tires isn’t just about matching numbers. Understanding load capacity, tread design, durability, and brand reputation made all the difference in my experience. I hope these tips help you pick the right tires for your trailer and enjoy safer, smoother towing.
Author Profile
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Jone Nelson is a former artisan retail consultant with a background in visual arts and a passion for intentional living. Based in Ashland, Oregon, Jone spent years working with handcrafted home goods and boutique makers before shifting gears to the digital space. Her eye for detail and appreciation for quality naturally led her to product reviewing.
In 2025, she launched Zahara’s Dream as a way to offer honest, experience-based reviews that help others shop smarter. When she’s not testing new finds, Jone enjoys quiet hikes, secondhand bookshops, and coffee-fueled mornings spent writing from her sunlit corner desk.
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