Buy Westlake ST100 ST175/80R13 C/6PR Tires
Welcome to TireBulk, where bulk tire excellence meets true American road grit. When it comes to outfitting your trailer with the best, our Westlake ST100 ST175/80R13 C/6PR Tires set a new standard for safety, reliability, and outstanding value. Whether you’re a weekend explorer, commercial hauler, or a savvy fleet manager, this tire fuses intelligent engineering with wallet-smart pricing, giving you confidence mile after mile across America’s diverse roadways.
What Is the Westlake ST100 ST175/80R13 C/6PR Tire?
The Westlake ST100 ST175/80R13 C/6PR isn’t just any trailer tire. Engineered with a radial design and robust six-ply construction, it was crafted to haul heavy loads while resisting the punishing forces of highways, gravel, and hot blacktop. It stands as our top choice for utility, boat, and travel trailers,trusted by countless haulers who expect nothing less than unwavering performance from every mile traveled. This technology prevents any potential deformation while driving and allows the tire to carry heavy loads with ease. The steel belt construction also protects the tire from any external damage, like cuts and punctures, or any impact damage.
With a low rolling resistance compound, Westlake ST100 is able to extend the tire’s life and minimize fuel consumption, leading to a reduction of CO2 emissions. Being an all-season tire, ST100 is designed with four circumferential grooves that help to evacuate water and slush away from the tire’s tread, which results in reduced risk of hydroplaning.
For full technical specs, check out the full listing at our Buy Tires Online USA page.

Why Buy Westlake ST100 ST175/80R13 C/6PR?
American Road-Tested, Industry-Approved
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Heavy Duty Performance: With a load rating of 91/87 and C-range six-ply strength, each tire comfortably supports up to 1,360lbs at 50psi. That’s resilience you can trust for boats, campers, horse trailers, and commercial rigs.
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Precision Engineering: Advanced HEAT-LESS technology slows tire aging, increasing longevity and road grip. Double steel belts inside the carcass boost puncture resistance and towing stability, vital for unpredictable hauls.
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Smart Fuel Savings: The tire’s low rolling-resistance compound means longer original treadwear and better fuel economy—a must for both fleet managers and single-rig owners keeping an eye on fuel costs.
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Reliable in Every State: Full nylon cap construction improves durability, from Maine’s salt-sprayed highways to the dusty trails of Texas.
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Peace of Mind: Tubeless, non-directional tread design and sturdy rim protection ensure your investment is built for the long haul.
Comparing Trailer Tire Contenders for the US Market
Tire Model | Construction | Load Rating (lbs) | Max PSI | Section Width (in) | Tread Depth (32nds) | Notable Features | Suitable For |
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Westlake ST100 ST175/80R13 C/6PR | Radial, 6-Ply | 1,360 | 50 | 6.97 | 9 | HEAT-LESS tech, steel belts, low rolling resistance | Utility, Boat, Travel Trailers |
Atturo ST200 ST175/80R13 C/6PR | Radial, 6-Ply | 1,360 | 50 | 6.97 | 9 | Enhanced tread design, longevity focus | Multipurpose Trailers |
Power King Towmax STR II | Radial, 6-Ply | 1,360 | 50 | 6.9 | 9 | Improved treadwear, robust build | Cargo, Horse, Boat Trailers |
Goodyear G182 RSD Commercial | Radial | Variable | Variable | Variable | 9+ | All-position tread, advanced ply design | Heavy-duty Commercial |
Roadmaster RM185 | Radial | Variable | Variable | Variable | 9+ | Commercial focus, deep tread | Long-haul/Commercial |
Gladiator QR55 ST | Radial | Variable | Variable | Variable | 9+ | All-position, multitread | Specialty/All Position |
The Best Places to Buy Westlake ST100 Trailer Tires
Our Bulk Tire Store supplies direct-to-consumer and large commercial clients, bringing the best options for economical, large-quantity tire purchases. But the competition keeps all of us on our toes, and it pays to compare:
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Walmart continues to feature discounted tire solutions with perks like nationwide warranties and affordable, in-store installation packages. Their vast presence ensures convenience for customers anywhere in the USA.
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Amazon simplifies online purchase with free shipping, honest customer reviews, competitive bulk prices, and access to professional installation—making it a trusted spot for busy buyers.
Still, our streamlined process, dedicated customer service, and bulk-buying advantages mean Bulk Tires for Sale at TireBulk are frequently the best value for savvy shoppers looking to equip entire fleets or save on long-term maintenance.
Key Features of the Westlake ST100 ST175/80R13 C/6PR Tire
1. HEAT-LESS Compound: This technology protects against heat aging, helping extend tread life even during hot summer hauls.
2. Steel Belt and Nylon Cap: Enhanced stability, puncture resistance, and improved towing—whether you’re pulling across the Rockies or through Midwest farmland.
3. Six-Ply Radial Build: Ensures game-changing strength and a smooth, steady ride at highway speeds.
4. Tubeless Construction: Reduces flats and maintenance headaches.
5. Fuel Efficiency: Rolling resistance is optimized for lower fuel consumption—a growing demand in 2025 as the commercial market shifts focus to eco-friendly options.
Why Tire Durability and Value Matter in 2025
The commercial and trailer tire segment in the USA is predicted to grow to $55.1 billion by 2033, according to recent reporting. Fleet managers and recreational haulers alike require tires that “stand up to increased loads, regulatory demands, and an explosion in e-commerce hauls”. Our Westlake ST100 meets that expectation head-on, while the market moves toward advanced, fuel-efficient, and smart tire options for superior ROI.
More than 36.7 million commercial tires were shipped in 2024 alone, a 7.3% increase, reflecting booming transportation demands. Add in technology like built-in TPMS compatibility, and you have the ultimate balance of innovation and value.
Frequently Asked Questions (FAQs)
1. What vehicles work with the Westlake ST100 ST175/80R13 C/6PR tire?
This tire is optimized for utility trailers, boat trailers, campers, and work trailers—ideal for American roads of all types.
2. How much weight can each tire handle?
With a max load of 1,360lbs at 50psi, each tire provides peace of mind for heavy hauls and safe towing over long distances.
3. Is the Westlake ST100 ST175/80R13 C/6PR a good option for bulk-buying fleets or business use?
Absolutely. For commercial buyers, our commercial tire category delivers exceptional cost-efficiency and reliability—making fleet management easier and budget-friendly.
4. How do I make my trailer tires last longer?
Maintain the correct air pressure, avoid overloading, and rotate tires regularly. HEAT-LESS compounds and reinforced nylon capping, as found in the ST100, also enhance lifespan. Our blog features more pro tire care advice.
5. Where do I order these tires and get support?
Order the Westlake ST100 directly from our TireBulk Shop, or browse related options like the Atturo ST200 and Goodyear G182 RSD Commercial Tire. Our product team is always available for personalized support via our Contact page.
Key Takeaways
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Top choice for Americans hauling campers and trailers coast to coast.
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Trusted construction: Six-ply radial, steel belt, and innovative heat-reducing tech.
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Outstanding fuel savings, tread longevity, and full compatibility for bulk and solo buyers.
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Order with confidence: User-focused service and advanced stock, with both bulk and individual sales for all US regions.
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Competitive edge: Bulk Tires for Sale at TireBulk routinely outperform box store deals for dedicated haulers who demand more.
Looking for a tire that won’t let you down, whether you’re roaming Route 66 or working the harvest? Trust our Westlake ST100 ST175/80R13 C/6PR Tires. Discover the difference, join the ranks of satisfied haulers, and roll farther—on your terms.
Ready to buy, or need advice on sizing? Browse our full selection or contact our expert team. Your best American road journey starts with TireBulk.
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