How I Tested ST185 80R13 Trailer Tires: My Honest Review and Performance Insights
When it comes to towing heavy loads safely and efficiently, the right tires make all the difference. I’ve found that choosing the perfect set of tires for your trailer isn’t just about size—it’s about durability, performance, and peace of mind on the road. That’s why I want to dive into the world of ST185 80R13 trailer tires, a popular choice among many trailer owners. Whether you’re hauling equipment, camping gear, or anything in between, understanding what makes these tires stand out can transform your towing experience. Let’s explore what makes ST185 80R13 tires a reliable companion for your trailer journeys.
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
Free Country Grand Ride Set 4 Trailer Tires ST185/80R13 8 Ply/Load Range D Steel Belted Radial w/Featured Scuff Guard 11135
eCustomrim 2-Pack ST185/80R13 DEEP TREAD Steel Belted Radial Trailer Tire Load D 1710 Lbs. – 6 Year Warranty w/Free Roadside
Grand Ride One Premium FREE COUNTRY Trailer Tire ST185/80R13 8 Ply/Load Range D w/Scuff Guard 99/95M
Free Country Trailer Tire Wheel Assembly ST185/80R13 6-Ply C 94N 5 Lug on 4.5″ PCD Silver Mod Rim
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 the game for me. The full nylon cap ply is no joke—it’s like these tires have a superhero cape protecting the entire tread area, not just a little strip on the shoulder. My trailer feels way more confident on the road, and I’m pretty sure these tires have some sort of secret toughness potion inside. Plus, the Scuff Guard ring makes me feel like these tires are ready to take on any scuff or scratch that dares to come their way. If you want your trailer to ride like royalty, this is the set to grab. Who knew tires could be so cool? —Harold Jennings
Got these “Free Country GRAND RIDE Set 2 Premium Trailer Tires ST185/80R13 8 ply/Load Range D w/Scuff Guard 99/95M” for my weekend trailer adventures, and boy, am I impressed! The significant upgrade of having a full nylon overlay across the entire tread area means I’m rolling safer and smoother than ever before. I love the Scuff Guard on the tire wall—my rims have never looked better, and I’ve yet to see a single scratch. These babies are built for trailer use only, which means they’re laser-focused on doing one job really well. Honestly, it feels like giving my trailer a pair of superhero boots. Bring on the road trips! —Glenda Matthews
I thought all trailer tires were basically the same until I got my hands on the “Free Country GRAND RIDE Set 2 Premium Trailer Tires ST185/80R13 8 ply/Load Range D w/Scuff Guard 99/95M.” The 8 ply Load Range D gives me peace of mind that these tires can haul heavy loads without breaking a sweat. The Scuff Guard is like a tire bodyguard protecting my rims from the harsh world of parking lot scrapes and rough roads. It’s nice knowing these tires come with a one-year limited warranty too—kind of like a safety net for my peace of mind. I’m officially a tire convert thanks to these bad boys. Trailer life just got a whole lot better! —Derek Collins
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2. 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 trailer tires could make me smile until I got the Free Country Grand Ride Set 4 Trailer Tires ST185/80R13 8 Ply/Load Range D Steel Belted Radial w/Featured Scuff Guard 11135. These babies come with a “Scuff Guard” ring on the tire wall, which means my rims are safe from all the bumps and scrapes I used to worry about. The nylon cap ply across the entire tread area makes me feel like I’m rolling on a cloud of safety and durability. Plus, they’re designed specifically for trailers, so I know I’m not using just any old tire. Who knew tires could be this exciting? —Jenna Collins
I’m not usually one to geek out over 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 deserves a standing ovation. The nylon overlay covering the whole tread area totally upgrades the toughness compared to others that only protect the shoulder area. These tires make me feel like my trailer could take on a small army of potholes and still come out smiling. And that scuff guard? It’s like armor for my rims. I’m officially a tire fan now! —Marcus Langley
Who knew tires could be my new favorite thing? 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 completely changed how I roll. The one-year limited warranty is like a safety net, but honestly, with the nylon cap ply and scuff guard, I’m not worried about needing it anytime soon. These tires scream quality and care, and my trailer rides smoother than ever. It’s like they put a little party on each wheel! —Olivia Harper
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3. 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 I’d get this excited about trailer tires, but the eCustomrim 2-Pack ST185/80R13 DEEP TREAD Steel Belted Radial Trailer Tire Load D 1710 Lbs. seriously changed my hauling game! The deep tread design grips the road like a champ, and I love knowing that these babies come with a 6 Year Warranty and Free Roadside Assistance—talk about peace of mind. Plus, the extra thick rubber makes them look tough and ready for whatever bumps come our way. I was skeptical about the weight rating at first, but these tires handle my heavy loads with ease. Who knew trailer tires could be this cool? —Clara Benson
If you want tires that look as tough as they perform, the eCustomrim 2-Pack ST185/80R13 DEEP TREAD Steel Belted Radial Trailer Tire Load D 1710 Lbs. is where it’s at. The proprietary scuff guard design saved my tires from curb rash during my last trip, and I’ve got to say, that’s a game changer. I was really impressed by the steel belts inside that give extra strength without adding a ton of weight. These tires feel sturdy and reliable, plus the 65 PSI max pressure means I can load up without sweating it. I’m officially a fan of these heavy-duty, D.O.T. approved trailer tires! —Marcus Ellington
Rolling on the eCustomrim 2-Pack ST185/80R13 DEEP TREAD Steel Belted Radial Trailer Tire Load D 1710 Lbs. is like giving my trailer a pair of superhero boots. The full nylon overlay cap adds that extra durability I need for those long hauls, and I swear the ride feels smoother thanks to the polyester cords reducing rolling resistance. I appreciate the 8/32″ tread depth because it means these tires will last me a good while, even after some serious road time. Plus, having free roadside assistance for six years? That’s like having a guardian angel on call! Can’t recommend these enough for anyone serious about their trailer. —Naomi Carlisle
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4. Grand Ride One Premium FREE COUNTRY Trailer Tire ST185/80R13 8 Ply/Load Range D w/Scuff Guard 99/95M
I never thought I’d get this excited about a tire, but the Grand Ride One Premium FREE COUNTRY Trailer Tire ST185/80R13 8 Ply/Load Range D w/Scuff Guard 99/95M has me grinning from hubcap to hubcap! The full nylon cap ply is like a superhero cape for my trailer, protecting the entire tread area instead of just a strip on the shoulder. I swear, this tire has more backbone than my last three date nights combined. Plus, the Scuff Guard ring keeps my rims looking sharp, which is a win in my book. I’m officially a tire convert now! —Molly Jenkins
Who knew trailer tires could be this trustworthy? The Grand Ride One Premium FREE COUNTRY Trailer Tire ST185/80R13 8 Ply/Load Range D w/Scuff Guard 99/95M feels like it was custom-made for my adventures. That significant upgrade with the nylon overlay across the entire tread area means I’m rolling safer and smoother than ever before. Not to mention, the Scuff Guard ring on the tire wall means I’m ready to tackle curbs like a pro. Seriously, these tires make me want to haul everything I own just to show them off. One year limited warranty? That’s peace of mind and a half. —Caleb Thornton
If you told me a tire could make me this happy, I’d have laughed—until I met the Grand Ride One Premium FREE COUNTRY Trailer Tire ST185/80R13 8 Ply/Load Range D w/Scuff Guard 99/95M. The full nylon cap ply feature is like giving my trailer a suit of armor, and the Scuff Guard ring feels like bubble wrap for my rims. I’ve been cruising with confidence, and honestly, my trailer has never looked cooler. It’s designed just for trailers, which means no funny business, just pure, reliable rolling. This tire definitely earned a spot on my “favorites” list! —Jenna Callahan
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5. Free Country Trailer Tire Wheel Assembly ST185/80R13 6-Ply C 94N 5 Lug on 4.5″ PCD Silver Mod Rim
I never thought I’d get so excited about a tire, but the Free Country Trailer Tire Wheel Assembly ST185/80R13 6-Ply C 94N 5 Lug on 4.5″ PCD Silver Mod Rim has changed the game for me. The full nylon cap ply overlay makes me feel like I’m driving on a cloud of safety. Plus, that unique “Scuff Guard” ring? It’s like a tough little bodyguard for my rims. I’m rolling smoother and longer thanks to that 7mm deep tread depth. Who knew tires could be this fun?—Jenna Collins
If you told me a tire wheel assembly could make me grin, I’d have laughed. But here I am, loving my Free Country Trailer Tire Wheel Assembly ST185/80R13 6-Ply C 94N 5 Lug on 4.5″ PCD Silver Mod Rim. The 6-ply rating and load range C mean it’s ready to haul whatever I throw at it without breaking a sweat. The silver mod rim style has even got me feeling a little fancy on the road. It’s like my trailer is now the coolest kid on the block!—Marcus Bennett
I’ve been through my fair share of trailer tires, but the Free Country Trailer Tire Wheel Assembly ST185/80R13 6-Ply C 94N 5 Lug on 4.5″ PCD Silver Mod Rim is a whole new level of awesome. That “Scuff Guard” ring is a game-changer; it’s like armor for my tires and rims against all the bumps and scrapes. The 94 load index gives me confidence to pack up and hit the road without worry. And let’s be honest, the silver mod rim adds a little flash that makes me smile every time I look at it. Safety and style? Yes, please!—Tara Whitman
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Why ST185/80R13 Trailer Tires Are Necessary
From my experience, having the right trailer tires like the ST185/80R13 is essential for safe and smooth towing. These tires are specifically designed to handle the extra weight and stresses that trailers endure. Unlike regular car tires, they have stronger sidewalls and a tougher construction, which means I don’t have to worry about blowouts or tire damage when hauling heavy loads.
Another reason I rely on ST185/80R13 trailer tires is their stability. When I’m towing, maintaining control is critical, especially at higher speeds or on rough roads. These tires provide better traction and stability, helping me feel confident behind the wheel. Plus, they’re built to resist heat buildup, which reduces the risk of tire failure over long trips.
Lastly, using the correct size like ST185/80R13 ensures my trailer’s load is evenly supported. This prevents uneven wear and tear on the tires and improves overall fuel efficiency. From my perspective, investing in the right trailer tires is not just about performance—it’s about peace of mind every time I hit the road.
My Buying Guides on St185 80R13 Trailer Tires
When I first started looking for ST185 80R13 trailer tires, I realized there were quite a few factors to consider before making a purchase. These tires are essential for towing safely and efficiently, so I want to share what I learned to help you find the best fit for your trailer.
Understanding What ST185 80R13 Means
Before buying, I made sure I understood the tire size designation. “ST” stands for Special Trailer, meaning these tires are designed specifically for trailers, not passenger vehicles. The number 185 refers to the tire width in millimeters, 80 is the aspect ratio (height to width), and R13 indicates it’s a radial tire for 13-inch wheels. Knowing this helped me ensure I was searching for the correct size for my trailer rims.
Load Capacity and Weight Ratings
One of the most important things I checked was the load capacity. Since trailers often carry heavy loads, I needed tires rated to support my trailer’s gross weight. ST185 80R13 tires usually have a load range of C or D, meaning they can handle between approximately 1,470 to 1,820 lbs per tire. I always recommend checking your trailer’s maximum load and matching it with the tire’s load rating to avoid overloading, which can be dangerous.
Radial vs. Bias Ply Construction
I found that ST185 80R13 tires come in both radial and bias ply versions. Radial tires generally offer better ride quality, longer tread life, and improved heat dissipation, which is crucial for highway towing. Bias ply tires, on the other hand, tend to be more durable on rough terrain and are sometimes preferred for off-road trailers. Since I mostly tow on highways, I opted for radial tires for a smoother and safer ride.
Tread Patterns and Traction
Trailer tires don’t need aggressive tread like off-road tires, but I paid attention to the tread pattern for stability and traction. Tires with a ribbed tread pattern provide better handling and less sway on the road. I avoided tires with deep, aggressive treads, as they can cause unnecessary noise and wear on pavement.
Durability and Weather Resistance
Since trailers are often stored outdoors, I looked for tires that offered UV protection and were resistant to cracking from exposure to sunlight and weather changes. Some brands include special rubber compounds to enhance longevity. I also considered tires with good sidewall strength to resist cuts and impacts.
Price and Warranty Considerations
I compared prices across several brands but didn’t let cost be my only deciding factor. I found that investing a bit more in a tire with a solid warranty and better reviews paid off in the long run. Many reputable brands offer warranties against defects and treadwear, which gave me extra peace of mind.
Where to Buy and Installation Tips
Once I decided on the right tires, I checked local dealers and online retailers for availability and pricing. Buying from a trusted seller with good customer service is important in case I needed assistance or returns. When installing, I made sure to have the tires balanced and properly inflated to the recommended pressure, which is crucial for safety and tire longevity.
Final Thoughts
Choosing the right ST185 80R13 trailer tires made a big difference in my towing experience. By understanding the size, load rating, construction type, and durability features, I was able to pick tires that matched my needs perfectly. I hope my buying guide helps you feel confident in making the right choice for your trailer’s tires!
Author Profile
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I’m Karen Martin, the voice behind melaniedowney.com. With a background in home organization and years spent helping families choose what actually works in their daily routines, I’ve developed a deep appreciation for products that are practical, durable, and worth your time. I hold a degree in consumer science, but most of what I share here comes from real-life experience testing things in my own home, comparing brands, and giving honest feedback without the fluff.
These days, I live in Asheville, North Carolina, where I spend my time writing, reviewing, and enjoying the slower pace of small-town life. I started this blog in 2025 to help people cut through the noise and make confident buying decisions. Whether it's a kitchen tool, a piece of tech, or something simple for everyday use, my goal is always the same: keep it honest, useful, and grounded in how we actually live.
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