Trailer Tires Rims ST175/80D13 Review
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MERXENG ST175/80D13 Trailer Tire and Rim Review
Replacing trailer tires can get confusing fast when you need the tire size, rim diameter, bolt pattern, load range, and wheel style to match at the same time. The MERXENG ST175/80D13 trailer tire and rim set keeps that decision simpler by pairing two 13-inch trailer tires with white spoke wheels and a 5-lug on 4.5-inch bolt pattern.
This review helps you decide whether the 2-pack makes sense for your utility, boat, camper, farm, cargo, or light hauler trailer. The strongest point is convenience: you get two matched tire and rim assemblies instead of loose tires. The main tradeoff is bias-ply construction, which can feel sturdy on rougher local routes but may not be your best choice for long, steady highway towing.
Quick Verdict
Rating: 8/10, Recommended with caveats
Best For: Trailer owners who need a ready-to-install ST175/80D13, 13-inch, 5-lug tire and rim set for light-duty to medium-duty towing.
Bottom Line: The MERXENG set is a practical replacement when your trailer matches the size, load rating, and bolt pattern. It is less ideal if you tow heavy loads or spend long hours at highway speed and prefer a radial trailer tire.
[Products Worth Considering]
This universal spare tire mount carrier holder is built for utility trailers and boat trailers, offering a secure fit for 4, 5, and 6 lug wheels. It supports multiple bolt pattern sizes and a heavy-duty load capacity while resisting rust with a durable finish. The design allows easy installation and lets you choose the steel beam height for a better fit.
This side-mounted U-bolt spare tire bracket helps keep a trailer spare wheel secure and protected while you travel. It supports trailer frames up to 2–3 inches wide and fits up to 15-inch tires for 4- or 5-lug wheels. The galvanized steel threaded carrier is built for long-lasting corrosion resistance and installs easily with included lug nuts and U-bolt.
Secure a full-size spare on your trailer with this powder-coated steel spare tire mount bracket. It fits most 4-, 5-, and 6-lug wheel bolt patterns and mounts to trailer tongues up to 4 in wide and 5 in tall. Built for reliable carry with a max 150 lb load rating and includes zinc-plated hardware for straightforward installation.
ST175/80D13 Trailer Tire Specs
| Specification | Detail |
|---|---|
| Brand | MERXENG |
| Model | 11206020 |
| ASIN | B0CRKC7CG5 |
| Product Type | Pre-mounted trailer tire and rim assemblies |
| Quantity | Set of 2 assemblies |
| Tire Size | ST175/80D13 |
| Rim Size | 13 inches |
| Wheel Design | White spoke wheel |
| Bolt Pattern | 5 lug on 4.5 inches |
| Load Range | Load Range C |
| Ply Rating | 6-ply rated |
| Load Capacity | 1,360 pounds per tire |
| Combined Tire Capacity | Up to 2,720 pounds for two tires, before trailer, axle, frame, and cargo limits |
| Load Index | 91 |
| Speed Rating | J |
| Overall Diameter | 24 inches |
| Section Width | 177mm listed in bullet details, 175mm listed in product table |
| Aspect Ratio | 80 |
| Tread Depth | 6.5mm |
| Construction | Bias-ply with nylon cord layers |
| Best Use | Utility, boat, camper, farm, cargo, and light hauler trailers with matching fitment |
| Included Components | Two tire and rim assemblies |
| Manufacturer Listed in Source Article | ZHEJIANG QINGDA RUBBER CO.,LTD |
| Warranty | 1-year manufacturer warranty |
Key Takeaways
- The MERXENG ST175/80D13 set includes two pre-mounted tire and rim assemblies, so it is not a loose-tire-only purchase.
- The 5-lug on 4.5-inch bolt pattern can fit many common 13-inch trailer setups, but you still need to measure your current wheel.
- Load Range C and the 6-ply rating support up to 1,360 pounds per tire when your trailer, axle, and wheel limits also match.
- The 24-inch overall diameter, 13-inch rim size, and ST175/80D13 tire size make it a direct-style replacement for matching setups.
- The bias-ply nylon-cord design gives the sidewall useful stiffness, but radial ST175/80R13 alternatives may suit long highway towing better.
Before You Buy: Confirm all three fitment details before ordering: ST175/80D13 tire size, 13-inch rim diameter, and 5-lug on 4.5-inch bolt pattern. A close match is not enough if the bolt circle, lug count, or load requirement is different.
What Is the MERXENG ST175/80D13 Trailer Tire and Rim Set?
The MERXENG ST175/80D13 is a 2-pack of pre-mounted trailer tire and wheel assemblies. Each assembly pairs an ST175/80D13 tire with a 13-inch white spoke wheel and a 5-lug on 4.5-inch bolt pattern.
The set is made for trailer owners who want a simpler replacement path than buying tires and rims separately. That helps when your old wheels are rusty, bent, mismatched, or not worth reusing.
This is a practical bias-ply trailer set, not a premium radial highway package. Its article-supported specs include Load Range C, 6-ply rating, 6.5mm tread depth, J speed rating, 24-inch overall diameter, and 1,360-pound max load per tire.
Who Should Buy It?
Best For
- Trailer owners replacing existing ST175/80D13 tires on 13-inch wheels.
- Utility, boat, farm, cargo, and small camper trailer users who want two matched assemblies.
- Buyers who value sidewall stiffness and ready-to-install convenience more than radial-tire highway refinement.
Skip If
- Your trailer uses a 4-lug wheel, a different bolt circle, or a tire size other than ST175/80D13.
- Your loaded trailer needs more than 1,360 pounds of tire capacity per tire.
- You tow mostly on long highway trips and want the cooler-running behavior often associated with radial trailer tires.
Fit and Compatibility
Fitment is the first buying check for this set. The tire size is ST175/80D13, the rim diameter is 13 inches, and the wheel uses a 5-lug pattern on a 4.5-inch bolt circle. Those numbers need to match your trailer, not just the old tire label.
The 5-lug on 4.5-inch pattern is common on smaller trailers, but you should still measure your existing wheel or confirm the trailer documentation. A wheel with the wrong bolt circle will not mount safely, even when the tire size looks correct.
You should also confirm hub clearance, fender clearance, trailer maker recommendations, and current wheel condition. The set is most helpful when the old tires and the wheels need replacement together.
Load Range C Capacity for Towing
Each tire is rated for a maximum load of 1,360 pounds. On a single-axle trailer using two tires, that gives up to 2,720 pounds of combined tire capacity before you consider the axle, frame, coupler, wheels, and cargo limits.
You should never treat tire capacity as the only towing limit. Compare the tire rating with the trailer’s gross vehicle weight rating, axle rating, wheel rating, tongue weight, and the load you plan to carry.
The 91 load index and J speed rating also matter. Staying within those ratings helps reduce heat, casing stress, and premature wear during normal trailer use.
Bias-Ply Construction and Ride Quality
The ST175/80D13 tire uses bias-ply construction with nylon cord layers. This design can give the sidewall a firmer feel, which may help a trailer feel steady on uneven roads, ramps, gravel lanes, and storage yards.
That stiffness can be useful for utility trailers, boat trailers, and farm trailers that see mixed surfaces more than smooth interstate miles. The 24-inch overall diameter and listed 175mm to 177mm section width give the set a stable footprint for this size class.
The tradeoff is highway refinement. If your trailer spends hours at steady highway speed, compare this set with an ST175/80R13 radial tire and rim assembly before you buy.
Design, Build, and Included Components
The MERXENG set uses a white spoke wheel, a common trailer-wheel style that is easy to match with many utility and boat trailers. Since the tire and rim are sold together, you do not need to source a separate 13-inch wheel or arrange mounting before installation.
The source article lists the model as 11206020 and the manufacturer as ZHEJIANG QINGDA RUBBER CO.,LTD. Those details help separate this listing from similar-looking ST175/80D13 tire and wheel sets.
The listed included components are tire and rim, and the product is sold as a set of two assemblies. That makes it a practical option when you want both sides of a small trailer to match in tread depth, construction, load range, and wheel fitment.
Tread, All-Season Use, and Maintenance
The listed tread depth is 6.5mm, which supports normal trailer use when the tires are installed, inflated, and loaded correctly. The all-season label means the tire is intended for general year-round trailer service, not that it is a snow tire or off-road tire.
For boat trailers, the tread and firm sidewalls can help during ramp approaches, storage-lot turns, and short road trips. For utility trailers, the same design can help across paved roads, gravel lanes, and uneven jobsite entrances.
You should inspect the tread, sidewalls, valve stems, bead seating, and rim surface before mounting and before each trip. This matters most after long storage periods, saltwater exposure, heavy loads, or visible curb contact.
[Products Worth Considering]
Mount your spare tire off the floor and onto your wall using an e-track spare tire carrier that helps you stay organized in trailers, garages, and warehouses. The upgraded double-fittings design improves stability versus single-fittings and supports greater load bearing. Install by snapping into e-track anchor points and securing the tire with a lug-nut style bolt setup for quick, secure storage.
Mount your spare tire directly to the inside wall of an enclosed trailer or garage to save space and keep your tire secure. This wall-mount spare tire carrier is designed for universal trailer tire fit and includes a fixed plate and chute for convenient screw replacement. Nylon insert hex lock nuts help prevent the tire from falling off, and wing hardware enables faster load and unload during maintenance.
Installation and Setup Tips
Installation is easier than mounting loose tires because each tire is already paired with a rim. You still need to install the assemblies correctly and torque the lug nuts to the trailer or wheel manufacturer’s specification.
After the first short trip, recheck lug torque because wheels can settle after a change. You should also check tire pressure before towing and keep the trailer load balanced over the axle.
Pro Tip: Before removing the old wheels, take a clear photo of the tire sidewall, wheel face, and hub area. It gives you a quick reference for tire size, lug count, clearance, and wheel style while you compare replacements.
Compatibility and Safety Notes
This set is not universal for every 13-inch trailer wheel. A different lug count, bolt circle, offset, clearance requirement, tire size, or load requirement can make the assembly unsafe or unusable.
Before towing, inspect both assemblies for shipping damage, sidewall defects, bead problems, valve stem issues, or bent wheel areas. Do not tow on a tire and wheel assembly that looks damaged or does not match the trailer documentation.
You should also avoid mixing tire types when it creates uneven handling. Two matching tires with the same size, load range, tread depth, and construction usually make trailer behavior easier to predict than mixing old and new assemblies.
How It Performs in Real Use
For a Utility Trailer
On a small utility trailer, the 1,360-pound per-tire capacity gives useful headroom for lawn equipment, tools, household loads, and dump runs when your trailer rating allows it. The pre-mounted 13-inch wheel helps when your old rim is rusted, bent, or aged out.
For a Boat Trailer
For a boat trailer with the correct ST175/80D13 size and 5-lug fitment, the set gives you two matching assemblies for seasonal replacement. Rinse the wheels after saltwater exposure and inspect the tread and sidewalls before each launch trip.
For a Camper or Cargo Trailer
On a small camper or enclosed cargo trailer, the main benefit is balanced replacement. Two matching Load Range C tires with the same tread depth and bias-ply construction can reduce uneven behavior from mixing worn tires with new ones.
For Farm and Yard Use
For farm lanes, storage yards, gravel approaches, and short local hauling, the bias-ply sidewall can feel sturdy under normal towing stress. The set still needs proper inflation, balanced loading, and careful speed control.
Pros and Cons
Pros
- Includes two tire and rim assemblies, so you do not need separate tire mounting.
- Common 5-lug on 4.5-inch pattern fits many matching 13-inch trailer-wheel setups.
- Load Range C and 6-ply rating support up to 1,360 pounds per tire.
- Bias-ply nylon-cord construction gives the sidewall useful stiffness for uneven terrain.
- 6.5mm tread depth and all-season trailer design suit general local towing use.
Cons
- Bias-ply construction is not the best fit for every long highway towing setup.
- Fitment is limited to trailers that match ST175/80D13 sizing and the 5-lug on 4.5-inch bolt pattern.
- The 1,360-pound per-tire capacity is not enough for heavier trailers that need a higher load range.
Is It Worth the Price?
The MERXENG ST175/80D13 set offers strong value when you need both tires and rims, not just replacement rubber. Buying pre-mounted assemblies can be a smart move if your current wheels are corroded, damaged, mismatched, or not worth reusing.
The value is strongest for local towing, seasonal boat use, utility hauling, and small trailer maintenance. You get article-supported specs that matter: Load Range C, 6-ply rating, 13-inch rims, 5-lug fitment, and a 1-year manufacturer warranty.
You should spend more on a radial set if your trailer regularly runs long highway trips. You should also choose a higher load range if your trailer’s loaded weight demands it.
How It Compares to Alternatives
If you want a similar 13-inch ST175/80D13 setup with a longer published warranty, eCustomrim makes competing trailer tire and rim assemblies in the same general size class. If you want a radial option for highway-focused towing, an ST175/80R13 radial tire and rim set may be a better match.
If your existing wheels are still in good condition, a bare Loadstar ST175/80D13 K550 tire may make more sense than buying complete assemblies. The MERXENG set makes the most sense when you want two complete 5-lug, 13-inch assemblies with Load Range C capacity in one purchase.
Is the ST175/80D13 the Right Fit?
This tire and rim set is the right fit when your current trailer calls for ST175/80D13 tires, a 13-inch rim, and a 5-lug on 4.5-inch bolt pattern. Those three details need to match before you consider value, convenience, or brand.
It is also the right fit when your load needs stay within the 1,360-pound per-tire rating. Compare that rating with your trailer’s gross vehicle weight rating and axle rating before making the final decision.
The best reason to choose this set is convenience. You get two matching assemblies with the tire, rim, tread depth, bolt pattern, and construction already paired.
Frequently Asked Questions
Will the MERXENG ST175/80D13 fit any 13-inch trailer wheel?
No. It fits trailers that use ST175/80D13 tires, a 13-inch wheel, and a 5-lug on 4.5-inch bolt pattern. Confirm tire size, lug count, bolt circle, hub clearance, and fender clearance before ordering.
How much weight can each tire carry?
Each tire is rated for a maximum load of 1,360 pounds. You should compare that rating with your loaded trailer weight, axle rating, wheel rating, and cargo distribution before towing.
Is this a radial or bias-ply trailer tire?
This is a bias-ply trailer tire with nylon cord layers. That construction can provide a firmer sidewall feel, but a radial ST175/80R13 setup may suit long highway towing better.
Can you use this tire and rim set for highway towing?
You can use it within the tire’s rated limits, but it is not the best choice for every long highway towing setup. Compare it with an ST175/80R13 radial tire and rim set if your trailer often spends hours at highway speed.
What comes in the box?
The product is sold as a set of two tire and rim assemblies. That means you receive two pre-mounted tire and wheel assemblies, not loose tires only.
What should you check before installing the wheels?
Check the tire size, bolt pattern, rim condition, bead seating, valve stems, tread surface, and sidewalls before mounting. After installation, torque the lug nuts to the trailer or wheel manufacturer’s specification and recheck them after a short trip.
Who should skip this MERXENG trailer tire and rim set?
Skip it if your trailer needs a different tire size, a different bolt pattern, a higher load range, or a radial tire for long highway towing. It also is not right if your trailer documentation calls for a different wheel or tire specification.
What warranty does it include?
The source article lists a 1-year manufacturer warranty. Inspect both assemblies when they arrive and keep your order details in case you need warranty support.
The Bottom Line
The MERXENG ST175/80D13 trailer tire and rim set earns an 8/10 because it gives you a practical, ready-to-install 2-pack with Load Range C capacity, 6-ply bias construction, and a common 5-lug on 4.5-inch fitment.
You should buy it if your trailer matches the size and bolt pattern and your towing needs stay within the 1,360-pound per-tire rating. You should look elsewhere if you need a different bolt pattern, a higher load range, or a radial trailer tire for long highway towing.
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