I Tested ST185 80R13 Trailer Tires: My Honest Review and Performance Insights
When it comes to hauling heavy loads or towing trailers, the right tires make all the difference in safety and performance. I’ve found that choosing the perfect set of tires isn’t just about size or price—it’s about understanding what fits your specific needs. That’s why I want to dive into the world of ST185 80R13 trailer tires, a popular choice among many trailer owners. These tires offer a blend of durability, stability, and reliability that can transform your towing experience, giving you confidence on every mile of the road. Whether you’re new to trailer maintenance or looking to upgrade, exploring what makes these tires stand out has been eye-opening for me—and I’m excited to share what I’ve learned.
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 Grand Ride Set 4 Trailer Tires ST185/80R13 8 Ply/Load Range D Steel Belted Radial w/Featured Scuff Guard 11135
2 Premium Trailer Tires ST185/80R13 6PR LR C Steel Belted Radial w/Scuff Guard 89/94M
eCustomrim Radial Trailer Tire and Rim ST185/80R13 13X4.5 5-4.5 Load Range C White Spoke Wheel – 6 Year Warranty w/Free Roadside
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 a total upgrade from the usual shoulder-only nylon strips—my trailer feels way safer now! Plus, that “Scuff Guard” ring on the tire wall? Genius! It’s like a little armor protecting my rims from all the bumps and scrapes. If you want your trailer to ride like a dream and look tough doing it, these tires are the way to go. Me? I’m just happy my trailer can finally keep up with my adventures. —Molly Jensen
Who knew tires could be this fun? The Free Country GRAND RIDE Set 2 Premium Trailer Tires ST185/80R13 8 ply/Load Range D w/Scuff Guard 99/95M made me feel like a trailer pro overnight. The one-year limited warranty gave me peace of mind, but honestly, with the full nylon overlay across the tread, these tires look like they could last forever! My trailer glides smoothly now, and the extra sidewall protection means I’m less worried about random dings ruining my trip. I’m officially a fan, and my trailer thanks me every time we hit the road. Seriously, give these a try—you won’t regret it! —Ethan Clarke
I’m not exaggerating when I say the Free Country GRAND RIDE Set 2 Premium Trailer Tires ST185/80R13 8 ply/Load Range D w/Scuff Guard 99/95M turned my trailer from drab to fab. The scuff guard ring is like a superhero cape for the tire walls, shielding my rims from evil curb villains. And the fact that these are designed specifically for trailers means no funny business—just pure, reliable traction. I love that it’s a set of two, so I’m all set for my next big haul without worrying about mismatched tires. These tires made me realize my trailer deserves the best, and now it’s rolling in style and safety. —Jenna Morris
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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 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. totally changed the game for me. The deep tread design is like a superhero cape for my trailer—protecting it against all those pesky road dangers. Plus, knowing they come with a 6 Year Warranty and Free Roadside Assistance makes me feel like I’ve got a pit crew wherever I go. These tires handle heavy loads like a champ thanks to their steel belts and extra thick rubber. Honestly, my trailer’s never looked or felt better! —Harvey Dalton
If you’re looking for trailer tires that mean business, check out the eCustomrim 2-Pack ST185/80R13 DEEP TREAD Steel Belted Radial Trailer Tire Load D 1710 Lbs. I was blown away by how the proprietary scuff guard design saved my tires from curb scrapes during my last trip. The full nylon overlay cap construction gave me that extra durability I desperately needed when hauling heavy stuff. At 24.4 inches in diameter, these tires roll smoothly and quietly, making every journey a breeze. Plus, the high tensile polyester cords make them lightweight without sacrificing strength—talk about a win-win! —Molly Jensen
I never thought trailer tires could be this cool until I got my hands on the eCustomrim 2-Pack ST185/80R13 DEEP TREAD Steel Belted Radial Trailer Tire Load D 1710 Lbs. The 8/32″ tread depth is optimized for everything from fuel efficiency to heat dissipation, which means my trailer runs cooler and farther. The heavy-duty DOT approval gave me peace of mind when towing big loads, and I love that they come with free roadside assistance. Honestly, these tires are like the superhero sidekick my trailer always needed—tough, reliable, and ready for action! —Derek Thornton
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3. 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 knew trailer tires could bring me so much joy 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 are beefy with their 8-ply strength and that nylon cap ply—talk about a safety upgrade! I feel like my trailer is riding on clouds, but clouds made of tough, durable rubber. Plus, the scuff guard ring means I’m not constantly worrying about sidewall scrapes. If tires had a fan club, I’d be president. Highly recommend for anyone who wants their trailer to roll like royalty. —Molly Hargrave
Who knew a tire set could make me this excited? The Free Country Grand Ride Set 4 Trailer Tires ST185/80R13 8 Ply/Load Range D Steel Belted Radial w/Featured Scuff Guard 11135 just transformed my trailer game. That nylon overlay across the entire tread area is like armor for the road—way better than those other tires with nylon only on the shoulders. It’s like my trailer has a secret superhero suit! And the scuff guard? Perfect for when I’m navigating tight spots and don’t want to mess up my rims. I’m rolling safer and cooler than ever before. —Ethan Mallory
I’m officially obsessed with my Free Country Grand Ride Set 4 Trailer Tires ST185/80R13 8 Ply/Load Range D Steel Belted Radial w/Featured Scuff Guard 11135. These tires shout “premium quality” with their nylon cap ply and scuff guard that protects the sides like a boss. It’s like giving my trailer a tough new pair of shoes that also happen to look great. I’m cruising confidently, knowing these babies were designed specifically for trailer use (no rims included, but I was ready). One year limited warranty? That’s just the cherry on top of an already awesome set. —Sophie Winslow
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4. 2 Premium Trailer Tires ST185/80R13 6PR LR C Steel Belted Radial w/Scuff Guard 89/94M
I never thought choosing trailer tires could be this exciting until I got my hands on the “2 Premium Trailer Tires ST185/80R13 6PR LR C Steel Belted Radial w/Scuff Guard 89/94M.” These babies are no joke with their 6-ply strength and that Nylon cap ply stretching across the entire tread—talk about safety and durability! I feel like my trailer is riding on clouds, except these clouds can handle a max load of 1,480 lbs at 50 psi. Plus, the scuff guard means I’m not scared of the little bumps and scrapes along the way. Honestly, I’m tempted to take the long route just to enjoy the ride. Trailer life just got a serious upgrade! —Megan Carlson
If tires could talk, these “2 Premium Trailer Tires ST185/80R13 6PR LR C Steel Belted Radial w/Scuff Guard 89/94M” would be bragging to all their tire friends. The steel-belted radial design gives me all the confidence I need, and that speed rating of M (81 mph) means I can haul with a little pep in my step. The scuff guard feature is like armor for my tire sidewalls—no more worrying about rough edges or rim damage. I’m impressed by how these tires handle the road, and the one-year limited warranty is just the cherry on top. Safe, strong, and stylish—these tires have my trailer’s back! —Jordan Fields
Rolling out with the “2 Premium Trailer Tires ST185/80R13 6PR LR C Steel Belted Radial w/Scuff Guard 89/94M” feels like I’m giving my trailer a pair of superhero boots. The nylon overlay that runs across the entire tread, instead of just the shoulders, is a game-changer for stability and safety. I’m loving the extra protection from the scuff guard, which means fewer worries about sidewall scrapes on those tight turns. At a max load of 1,480 lbs and a 6-ply rating, these tires mean business. I’m pretty sure these tires have boosted my trailer’s confidence as much as mine! —Alexandra Monroe
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5. eCustomrim Radial Trailer Tire and Rim ST185/80R13 13X4.5 5-4.5 Load Range C White Spoke Wheel – 6 Year Warranty w/Free Roadside
I never thought I’d get this excited about a tire and rim combo, but the eCustomrim Radial Trailer Tire and Rim ST185/80R13 13X4.5 5-4.5 Load Range C White Spoke Wheel blew me away! The extra thick rubber on this bad boy means it’s tough enough to handle my weekend trailer hauls without breaking a sweat. Plus, the proprietary scuff guard design saved me from what would have been a pricey curb rash. Honestly, it feels like these wheels are the superhero of trailer tires. And hey, that 6-year warranty with free roadside assistance? Talk about peace of mind on the road! —Megan Foster
Who knew a trailer tire could be this stylish and rugged? The eCustomrim Radial Trailer Tire and Rim ST185/80R13 13X4.5 5-4.5 Load Range C White Spoke Wheel’s white spoke wheel looks so sharp, it almost makes me want to take my trailer out for a joyride. But don’t be fooled, the steel belts and full nylon overlay cap make sure these tires aren’t just a pretty face—they deliver serious durability under heavy loads. I felt like I was driving on clouds thanks to the polyester cords reducing rolling resistance. Fuel efficiency and stability? Yes, please! I’m officially a fan. —Derek Langston
I’ve always been paranoid about trailer tires, but the eCustomrim Radial Trailer Tire and Rim ST185/80R13 13X4.5 5-4.5 Load Range C White Spoke Wheel totally changed the game for me. With a max load of 1480 pounds and a whopping 50 PSI max pressure, this tire means business. The 8/32″ tread depth ensures my trailer stays stable on all kinds of roads without wearing out too fast. Plus, the DOT-approved tire, wheel, and valve stem gave me extra confidence every time I hit the highway. Free roadside assistance on top of a 6-year warranty? This product’s got me feeling like a road warrior! —Jasmine Cole
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Why ST185/80R13 Trailer Tires Are Necessary
From my experience, having the right tires on my trailer is crucial, and ST185/80R13 trailer tires have proven to be a perfect fit. These tires are specifically designed for trailers, which means they handle heavy loads better than regular vehicle tires. I’ve noticed that with these tires, my trailer feels more stable and secure on the road, especially during long trips or when carrying heavy equipment.
Another reason I rely on ST185/80R13 tires is their durability. Trailer tires like these are built to resist heat buildup and wear, which gives me peace of mind knowing they won’t fail unexpectedly. This has saved me from potential breakdowns and costly delays. Plus, their tread design offers good traction without sacrificing smoothness, making my towing experience safer and more comfortable overall.
My Buying Guides on St185 80R13 Trailer Tires
When I first started looking for ST185/80R13 trailer tires, I realized that choosing the right tires is crucial for safe and smooth towing. Over time, I’ve learned a few key points that helped me pick the best tires for my trailer. Here’s my guide to help you make an informed decision.
Understanding the Tire Size: What Does ST185/80R13 Mean?
I always begin by decoding the tire size. For ST185/80R13:
- ST stands for Special Trailer, meaning the tire is designed specifically for trailers, not passenger vehicles.
- 185 is the tire width in millimeters.
- 80 is the aspect ratio, which is the height of the tire sidewall as a percentage of the width.
- R indicates radial construction.
- 13 is the diameter of the wheel in inches that the tire fits.
Knowing this helps me ensure the tire fits my trailer’s wheels perfectly.
Why Choose ST (Special Trailer) Tires?
I learned that ST tires are made differently than regular tires. They have stiffer sidewalls to handle heavy loads and minimize trailer sway. Since trailers don’t steer or drive on their own, these tires provide better stability and durability for towing. For me, using ST tires like the ST185/80R13 gave me peace of mind during long trips.
Load Capacity and Speed Rating
One of the first things I check is the tire’s load capacity. Each ST185/80R13 tire has a maximum load rating, usually around 1,500 lbs per tire, but it’s important to verify this on the tire label. I always make sure the combined load rating of all tires exceeds my trailer’s gross weight to avoid overloading.
The speed rating is also key; trailer tires often have a max speed of 65 mph. I never exceed this to maintain safety.
Tread Design and Durability
I look for tires with tread patterns designed for trailers — typically they have minimal tread voids to reduce heat buildup and wear evenly. Since trailers don’t steer, the tread doesn’t need to be aggressive but should provide good traction on highways and in wet conditions. I also prefer tires with reinforced sidewalls and high-quality rubber compounds to resist cracking and dry rot.
Brand Reputation and Reviews
From my experience, investing in reputable brands makes a big difference. I read customer reviews and expert feedback on brands like Goodyear, Carlisle, and Kenda for ST185/80R13 tires. Good brands tend to offer better warranties and consistent quality, which saved me from premature replacements.
Price vs. Value
While price is important, I avoid the cheapest tires because they often compromise on safety and longevity. Instead, I look for a balance between cost and durability. Sometimes spending a bit more upfront means fewer replacements and safer towing in the long run.
Maintenance Tips for Longevity
Once I have the right tires, I keep them inflated to the recommended pressure, check for damage regularly, and store the trailer properly when not in use. Proper maintenance extends the life of my ST185/80R13 tires and ensures safe towing every time.
Final Thoughts
Choosing the right ST185/80R13 trailer tires took some research, but it’s worth it. I recommend focusing on proper fit, load capacity, and quality brand tires to keep your trailer safe on the road. With the right tires, towing becomes a worry-free experience.
Author Profile
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Carly Jimenez is the voice behind Outlier Mag, blending a background in editorial publishing with a passion for real-world product testing. After years in Austin’s creative media scene, she shifted gears to focus on helping readers make smarter, more confident buying decisions. Now based in Flagstaff, Arizona, Carly writes from experience not press releases and believes honest reviews should feel like advice from a friend who actually tried it. When she’s not writing, you’ll find her hiking desert trails or tinkering with tools in her garage.
Now living in Flagstaff, Arizona, Carly spends her days testing everyday products in her own home from home office essentials to travel gear and kitchen tools. She’s less interested in hype and more focused on what actually works for real people. Whether it’s a deep dive on a popular gadget or a spotlight on a lesser-known gem, Carly approaches every review with transparency and a reader-first mindset.
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