A strong 6-lug, 15-inch trailer wheel-and-tire assembly pairs the correct bolt pattern and center bore with a tire size and load rating suited to your trailer. The eCustomRim Radial Load E stands out with a listed 2,860-pound maximum load, Load Range E, and a 6-on-5.5-inch pattern. This roundup also includes other ST225/75R15 assemblies, a four-piece set, a higher-ply silver option, and smaller ST205/75R15 choices.
Those differences matter: matching the lug pattern alone does not establish that a wheel fits your hub or that its tire can carry your loaded trailer. Check the tire placard or trailer documentation, confirm hub dimensions, and compare the load requirement for each wheel position before choosing.
The product details below make those checks easier.
The eCustomRim Radial Load E leads because it combines a 15×6-inch rim, a 6-on-5.5-inch bolt pattern, and an ST225/75R15 radial tire rated for up to 2,860 pounds at 80 PSI. Its Load Range E and listed six-year warranty make the specifications unusually clear among these options. Confirm its 4.25-inch center bore matches your hub before buying; the bolt pattern and tire size alone do not guarantee a complete fit.
Our Top Picks
Best OverallIts ST225/75R15 Load Range E tire lists a 2,860-pound maximum load, 80 PSI, and a 6-on-5.5-inch pattern on a 15×6 rim.
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Endurance Tire OptionThis ST225/75R15 assembly lists Load Range E, a 2,830-pound capacity, 80 PSI, and a 6-on-5.5-inch pattern.
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Single-Wheel PickThe single mounted ST225/75R15 assembly lists Load Range E, 10 ply, 2,850-pound capacity, and a 6-on-5.5-inch pattern.
View on Amazon- Highest Ply Rating GREMAX 14-Ply Assembly
- Four-Wheel Set GRANDFORCE 4-Pack ST225/75R15
Compare These 15-Inch Trailer Wheel and Tire Options
| # | Product | Size | Wheel Size | Rim Size | Material Type | Buy |
|---|---|---|---|---|---|---|
| 1 | 1. eCustomRim Radial Load EBest Overall | 225/75R15 | 15 in | 15 in | Alloy Steel | View on Amazon |
| 2 | 2. eCustomRim Goodyear EnduranceEndurance Tire Option | 225/75R15 | — | 15 in | — | View on Amazon |
| 3 | 3. TRAILQUEST Load E AssemblySingle-Wheel Pick | 1 Pack | — | 15 in | — | View on Amazon |
| 4 | 4. GREMAX 14-Ply AssemblyHighest Ply Rating | ST225/75R15-14-Ply | 15 in | 15 in | Alloy Steel | View on Amazon |
| 5 | 5. ROCKMAN ST225/75R15Silver mod-rim pair | ST225/75R15 /6×5.5 | 15 in | 15 in | Alloy Steel | View on Amazon |
| 6 | 6. Free Country ST225/75R15Black mod-rim pair | ST225/75R15 /6×5.5 | 15 in | 15 in | Alloy Steel | View on Amazon |
| 7 | 7. GRANDFORCE 4-Pack ST225/75R15Four-Wheel Set | GRANDST225/75R15-cw516 | 15 in | 6 in | — | View on Amazon |
| 8 | 8. eCustomRim Radial Load DAluminum-wheel Load Range D pair | 225/75R15 | 15 in | 15 in | Aluminum | View on Amazon |
| 9 | 9. GRANDFORCE ST205/75R15Galvanized-wheel smaller tire | GRANDST205/75R15-8PRB156GAL | 15 in | 15 in | — | View on Amazon |
| 10 | 10. eCustomRim Bias Load CLower-load bias-ply assembly | 205/75D15 | — | 15 in | — | View on Amazon |
Detailed Reviews: Best 6 Lug 15 Inch Trailer Wheels And Tires

#1 · Best Overall
1. eCustomRim Radial Load E
- Size: 225/75R15
- Wheel Size: 15 in
- Rim Size: 15 in
- Material Type: Alloy Steel
Best for: Higher-load radial pair.
Why it ranks #1: Its ST225/75R15 Load Range E tire lists a 2,860-pound maximum load, 80 PSI, and a 6-on-5.5-inch pattern on a 15×6 rim.
Load Range E radial tires rated to 2,860 pounds each give this two-piece assembly a clearly stated capacity for trailer owners comparing heavier-duty 15-inch replacements. The 80 PSI specification and 28.1-inch overall diameter also provide concrete tire details for evaluating the setup against an existing trailer.
Each assembly pairs a 225/75R15 radial tire with a 15-by-6-inch alloy-steel rim, so buyers get the tire and wheel together rather than sourcing them separately. The 6-on-5.5-inch bolt pattern and 4.25-inch center bore specify key mounting dimensions for checking wheel compatibility. Load Range E, an 80 PSI rating, and a 2,860-pound maximum load help establish the tire's stated operating limits; the package contains two assemblies for a paired replacement.
- Two assemblies are included for paired replacement.
- Load Range E tire rated to 2,860 pounds maximum.
- Radial 225/75R15 tire with 80 PSI specification.
- 15-by-6-inch rim has a 6-on-5.5-inch pattern and 4.25-inch center bore.
- The 4.25-inch center bore differs from the 3.75-inch bore on some listed eCustomRim assemblies.
Skip it if you need a 3.75-inch center bore; eCustomRim's 58989-2 assembly lists that dimension instead.
A trailer owner replacing two wheels and prioritizing a stated 2,860-pound tire rating may find this pair suitable. Check the 4.25-inch center bore and 6-on-5.5-inch pattern against the trailer before ordering.
Full product details
| Brand | eCustomRim |
|---|---|
| Color | Black |
| Compatible with Vehicle Type | Trailer |
| Included Components | User Guide |
| Item Weight | 94 pounds |
| Manufacturer | eCustomRim |
| Part Number | 60242-2 |
| Manufacturer Warranty Description | Six Years |
| Material | Alloy Steel |
| Rim Size | 15 inches |
| Size | 225/75R15 |
| Wheel Size | 15 inches |
Listed on Amazon as: eCustomrim 2-Pack Radial Trailer Tire Rim Assembly ST225/75R15 Load E 6 Lug
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#2 · Endurance Tire Option
2. eCustomRim Goodyear Endurance
- Size: 225/75R15
- Rim Size: 15 in
Best for: Aluminum wheel radial assembly.
Why it ranks #2: This ST225/75R15 assembly lists Load Range E, a 2,830-pound capacity, 80 PSI, and a 6-on-5.5-inch pattern.
An aluminum rim paired with a Goodyear Endurance ST225/75R15 tire distinguishes this eCustomRim assembly from the steel-wheel options. Its Load Range E tire is rated to 2,830 pounds maximum at 80 PSI, giving buyers specific operating figures alongside the 6-on-5.5-inch pattern.
The 15-by-6-inch rim has a 3.75-inch center bore and a 6-on-5.5-inch bolt pattern, offering key dimensions for checking compatibility with a trailer hub. The radial tire measures 28.1 inches overall and carries a Load Range E rating, 2,830-pound maximum load, and 80 PSI specification. Those tire details support comparison with a trailer's requirements, while the aluminum wheel supplies a different rim material from alloy-steel assemblies in the roundup.
- Goodyear Endurance ST225/75R15 tire.
- Aluminum 15-by-6-inch rim.
- Load Range E tire rated to 2,830 pounds maximum.
- 3.75-inch center bore and 6-on-5.5-inch pattern.
- The listing identifies a single assembly, rather than a two-piece set.
Skip it if you need two assemblies in one listing; eCustomRim's 58989-2 package is a two-piece set.
Choose this assembly if you want a Goodyear Endurance radial tire on an aluminum wheel and need the listed 2,830-pound maximum rating. It is one assembly, so check the 3.75-inch bore and pattern and plan quantity accordingly.
Full product details
| Brand | eCustomRim |
|---|---|
| Included Components | User Guide |
| Item Dimensions | 28 x 8 x 28 inches |
| Item Weight | 56 pounds |
| Load Capacity | 2830 pounds |
| Manufacturer | eCustomrim |
| Part Number | 724857519BLKAV |
| Manufacturer Warranty Description | Six Years |
| Rim Size | 15 inches |
| Size | 225/75R15 |
| Vehicle Tire ISO Metric Size Description | 225/75R15 |
Listed on Amazon as: eCustomrim Trailer Tire Rim Fits Goodyear Endurance ST225/75R15 Black Alum
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#3 · Single-Wheel Pick
3. TRAILQUEST Load E Assembly
- Size: 1 Pack
- Rim Size: 15 in
Best for: Single Load Range E replacement.
Why it ranks #3: The single mounted ST225/75R15 assembly lists Load Range E, 10 ply, 2,850-pound capacity, and a 6-on-5.5-inch pattern.
A single mounted ST225/75R15 radial tire and wheel gives this TrailQuest listing a useful one-piece quantity for an individual replacement. Its Load Range E, 10-ply designation, and stated 2,850-pound load capacity provide concrete rating details for buyers comparing trailer tires.
The assembly arrives as one tire mounted on a 15-inch rim, so the listed package is suited to a single-position replacement rather than a pair or full set. Its 6-lug, 6-by-5.5-inch black modular wheel pattern supplies mounting details to compare with the trailer. The ST225/75R15 radial tire is marked Load Range E and 10 ply, with a stated 2,850-pound load capacity; those figures help buyers assess the tire's stated rating requirements.
- One mounted tire and wheel assembly is included.
- ST225/75R15 radial tire.
- Load Range E and 10-ply designation.
- Stated load capacity of 2,850 pounds.
- The listing provides one tire-and-wheel assembly, not a pair.
Skip it if you need two matching assemblies at once; eCustomRim's 60242-2 listing supplies a pair.
This is a fit for a trailer owner replacing one ST225/75R15 wheel with a Load Range E radial assembly. Check the 6-by-5.5-inch pattern against the trailer, and plan separately if more than one assembly is needed.
Full product details
| Brand | TRAILQUEST |
|---|---|
| Included Components | TRAILER TIRE MOUNTED ON THE RIM; ONE TIRE AND ONE WHEEL |
| Item Weight | 45 pounds |
| Load Capacity | 2850 pounds |
| Manufacturer | TrailStar |
| Part Number | 22575R15EBME |
| Manufacturer Warranty Description | 1 YEAR |
| Model Number | 22575R15EBME |
| Rim Size | 15 inches |
| Size | 1 Pack |
| Vehicle Tire ISO Metric Size Description | 225/75R15 |
Listed on Amazon as: ST225/75R15 TRAILQUEST RADIAL TRAILER TIRE ON RIM, LOAD RANGE E 10 PLY, 6 LUG BLACK MODULAR WHEEL WITH 6X5.5" BOLT PATTERN. REPLACES 7.00-15 PR 7.50-15 – WARRANTY INCLUDED
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#4 · Highest Ply Rating
4. GREMAX 14-Ply Assembly
- Size: ST225/75R15-14-Ply
- Wheel Size: 15 in
- Rim Size: 15 in
- Material Type: Alloy Steel
Best for: Higher-ply silver assemblies.
Why it ranks #4: Its ST225/75R15 silver mod assembly specifies 14 ply and a 6-on-5.5-inch pattern, though the supplied listing gives no load capacity.
The 14-ply designation is the key differentiator in this two-piece GREMAX set, pairing ST225/75R15 tires with silver mod rims. Trailer owners comparing ply ratings can assess that marking alongside the stated 6-by-5.5-inch pattern and 15-inch wheel size when considering replacements.
GREMAX lists an all-steel tire and wheel assembly in ST225/75R15 size, with a 14-ply designation and silver mod rim. The 15-inch wheel size and 6-by-5.5-inch pattern provide basic mounting details for comparing it with a trailer's current setup. Alloy-steel material is stated for the assembly, while the two-piece pack supports replacing two positions together; the supplied specifications do not provide a numeric load or pressure figure.
- Two assemblies are identified in the title.
- ST225/75R15 tire size.
- 14-ply designation.
- Silver mod rim with 6-by-5.5-inch pattern.
- The supplied specifications state no numeric maximum load or PSI rating.
Skip it if you need a listed maximum load and inflation pressure; eCustomRim's 60242-2 pair specifies both.
This GREMAX set fits shoppers focused on a 14-ply ST225/75R15 assembly with silver mod rims and a 6-by-5.5-inch pattern. Confirm that the specified pattern suits the trailer, and account for the absence of numeric load and PSI details.
Full product details
| Brand | GREMAX |
|---|---|
| Color | Silver |
| Compatible with Vehicle Type | Trailer |
| Manufacturer | GREMAX |
| Part Number | ST225/75R15 |
| Material | Alloy Steel |
| Rim Size | 15 inches |
| Size | ST225/75R15-14-Ply |
| Wheel Size | 15 inches |
Listed on Amazon as: All Steel Trailer Tire Wheel ST225/75R15 14PR 6X5.5" Silver Mod Pk2
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#5
5. ROCKMAN ST225/75R15
- Size: ST225/75R15 /6×5.5
- Wheel Size: 15 in
- Rim Size: 15 in
- Material Type: Alloy Steel
Best for: Silver mod-rim pair.
Why it ranks #5: This two-piece silver mod option lists ST225/75R15, 10PR, Load Range E, and a 6-on-5.5-inch pattern.
A two-piece set of silver mod rims paired with ST225/75R15, 10-ply Load Range E tires gives trailer owners matched assemblies in a familiar 15-inch size. The 6-by-5.5-inch pattern is stated alongside the tire specification, helping buyers assess basic wheel compatibility before selecting a replacement set.
The listing identifies alloy-steel construction, a silver mod rim, and a 6-by-5.5-inch bolt pattern, so shoppers can compare both wheel material and mounting pattern with their trailer's existing setup. Its ST225/75R15 tire is marked 10PR, Load Range E, and 117M in the title. Those stated details help narrow fit and tire-rating comparisons, while the two-piece quantity supports replacing a pair without mixing the listed assemblies.
- Two assemblies are identified in the title.
- ST225/75R15 tire size.
- 10PR and Load Range E designation.
- Silver alloy-steel mod rim with 6-by-5.5-inch pattern.
- The supplied specifications give no numeric maximum-load or PSI figure.
Skip it if you require a stated maximum load and PSI; eCustomRim's 60242-2 pair lists both figures.
This set suits trailer owners seeking two silver mod-rim assemblies with 10PR Load Range E tires and a 6-by-5.5-inch pattern. Its supplied specifications omit numeric load and inflation limits, so buyers needing those figures should choose accordingly.
Full product details
| Brand | ROCKMAN |
|---|---|
| Color | Silver |
| Compatible with Vehicle Type | Trailer |
| Manufacturer | ROCKMAN |
| Part Number | ST225/75R15 |
| Material | Alloy Steel |
| Rim Size | 15 inches |
| Size | ST225/75R15 /6×5.5 |
| Wheel Size | 15 inches |
Listed on Amazon as: Trailer Tire Wheel ST225/75R15 10PR E 117M 6X5.5 Silver Mod Rim,Pk2
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#6
6. Free Country ST225/75R15
- Size: ST225/75R15 /6×5.5
- Wheel Size: 15 in
- Rim Size: 15 in
- Material Type: Alloy Steel
Best for: Black mod-rim pair.
Why it ranks #6: The black mod assembly lists ST225/75R15, 10PR, Load Range E, and a 6-on-5.5-inch pattern for a common trailer fitment.
Black mod rims distinguish this two-piece Free Country set, which pairs the wheels with ST225/75R15 tires marked 10PR, Load Range E, and 117N. That combination gives trailer owners a defined tire size and rating designation alongside a 6-by-5.5-inch wheel pattern for compatibility checks.
The alloy-steel rims are listed as 15 inches and use a 6-by-5.5-inch pattern, giving buyers core dimensions to compare with their trailer's existing wheels. The included tire designation is ST225/75R15, with 10PR, Load Range E, and 117N stated in the title. Together, these details help a buyer evaluate size, wheel pattern, and tire marking before replacing a pair; the black mod style also distinguishes the set visually from silver-rim alternatives.
- Two assemblies are indicated by the title's paired set format.
- ST225/75R15 tire size.
- 10PR, Load Range E, and 117N markings.
- Black alloy-steel mod rim with 6-by-5.5-inch pattern.
- No numeric maximum-load or inflation-pressure figure appears in the supplied specifications.
Skip it if you need an explicit 2,860-pound maximum load and 80 PSI rating; eCustomRim's 60242-2 pair states both.
Choose this set if black mod rims, a 6-by-5.5-inch pattern, and 10PR Load Range E tires match your trailer needs. The supplied details do not state a numeric load limit or PSI, which may matter for operating checks.
Full product details
| Brand | Free Country |
|---|---|
| Color | Black |
| Compatible with Vehicle Type | Trailer |
| Manufacturer | Free Country |
| Part Number | ST225/75R15 |
| Material | Alloy Steel |
| Rim Size | 15 inches |
| Size | ST225/75R15 /6×5.5 |
| Wheel Size | 15 inches |
Listed on Amazon as: Free Country Trailer Tire Wheel ST225/75R15 10PR E 117N 6X5.5 Black Mod Rim
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#7 · Four-Wheel Set
7. GRANDFORCE 4-Pack ST225/75R15
- Size: GRANDST225/75R15-cw516
- Wheel Size: 15 in
- Rim Size: 6 in
Best for: Four-wheel trailer set.
Why it ranks #7: This listing is explicitly a four-piece ST225/75R15 set with 15×6 black wheels and a 6-on-5.5-inch pattern; tire load details are absent.
Four ST225/75R15 tire-and-wheel assemblies make this GRANDFORCE package the roundup's largest stated set, useful when replacing all four positions together. The listing identifies black 15-by-6-inch wheels and a 6-by-5.5-inch pattern, allowing a straightforward comparison with trailer mounting requirements.
The four-piece quantity supports a coordinated replacement across a trailer's wheel positions, while the ST225/75R15 size gives buyers a defined tire dimension to compare with their existing setup. The listing specifies 15-by-6-inch black wheels and a 6-by-5.5-inch pattern. Its tire tread is described for traction on highways and gravel, and additional information describes an all-season, trailer-specific tire with reinforced internal structure and extended tread life; numeric load and pressure figures are not supplied.
- Four tire-and-wheel assemblies are included.
- ST225/75R15 tire size.
- Black 15-by-6-inch wheels with 6-by-5.5-inch pattern.
- Tread is described for highways and gravel.
- The supplied facts give no numeric maximum-load or PSI rating.
Skip it if you need a stated 2,860-pound tire limit and 80 PSI figure; eCustomRim's 60242-2 pair supplies them.
This set suits owners replacing four trailer wheels who need ST225/75R15 tires and black 6-by-5.5-inch wheels. Confirm the pattern and tire size suit the trailer, and note that numeric load and pressure limits are not given.
Full product details
| Brand | Generic |
|---|---|
| Compatible with Vehicle Type | Trailer |
| Manufacturer | GRANDFORCE |
| Part Number | CW516GF22575BM |
| Manufacturer Warranty Description | Not appliable |
| Rim Size | 6 inches |
| Size | GRANDST225/75R15-cw516 |
| Wheel Size | 15 inches |
Listed on Amazon as: 4PCS GRANDFORCE ST007 Trailer Tires ST225/75R15 on 15×6 6×5.5 Black Trailer Wheels
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#8
8. eCustomRim Radial Load D
- Size: 225/75R15
- Wheel Size: 15 in
- Rim Size: 15 in
- Material Type: Aluminum
Best for: Aluminum-wheel Load Range D pair.
Why it ranks #8: Its ST225/75R15 radial tire lists Load Range D, 2,540 pounds, 65 PSI, and a 6-on-5.5-inch pattern on a 15×6 rim.
A two-piece set with aluminum 15-by-6-inch rims gives this eCustomRim package a material distinction alongside its ST225/75R15 radial tires. Load Range D tires rated to 2,540 pounds each and 65 PSI make its capacity and inflation specifications explicit for trailer owners.
Each tire has a 28.1-inch overall diameter and a stated 2,540-pound maximum load, with 65 PSI and Load Range D markings to compare against trailer requirements. The aluminum rims measure 15 by 6 inches and use a 3.75-inch center bore with a 6-on-5.5-inch bolt pattern. Because two assemblies are supplied, the package supports replacing a pair together, while the listed dimensions help assess hub and wheel fit before installation.
- Two tire-and-wheel assemblies are included.
- ST225/75R15 radial tire with Load Range D rating.
- 2,540-pound maximum load and 65 PSI specification.
- Aluminum 15-by-6-inch rim with 3.75-inch bore and 6-on-5.5-inch pattern.
- Its 2,540-pound maximum load is below the 2,860-pound rating listed for eCustomRim's 60242-2 pair.
Skip it if you require a 2,860-pound maximum load per tire; eCustomRim's 60242-2 pair lists that rating.
This pair suits trailer owners seeking aluminum wheels with ST225/75R15 Load Range D radials and a stated 2,540-pound capacity. Check the 3.75-inch bore and 6-on-5.5-inch pattern, and ensure the load rating matches the trailer's needs.
Full product details
| Brand | eCustomRim |
|---|---|
| Color | Black |
| Compatible with Vehicle Type | Trailer |
| Included Components | User Guide |
| Item Weight | 94 pounds |
| Manufacturer | eCustomRim |
| Part Number | 58989-2 |
| Manufacturer Warranty Description | Six Years |
| Material | Aluminum |
| Rim Size | 15 inches |
| Size | 225/75R15 |
| Wheel Size | 15 inches |
Listed on Amazon as: eCustomrim 2-Pack Radial Trailer Tire Rim Assembly ST225/75R15 Load D 6 Lug
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#9
9. GRANDFORCE ST205/75R15
- Size: GRANDST205/75R15-8PRB156GAL
- Wheel Size: 15 in
- Rim Size: 15 in
Best for: Galvanized-wheel smaller tire.
Why it ranks #9: This smaller ST205/75R15 tire is listed as 8PR Load Range D on a 15×6 galvanized wheel with a 6-on-5.5-inch pattern.
A galvanized 15-by-6-inch wheel paired with an ST205/75R15 radial tire gives this assembly a smaller tire size than the 225/75R15 options in the roundup. Its stated Load Range D and 8-ply rating help buyers compare its tire designation with their trailer's requirements.
The tire is specified as ST205/75R15, 8PR, Load Range D, with a 107/102L marking; those details let owners compare size and tire designation against their current setup. A 15-by-6-inch galvanized wheel with a 6-by-5.5-inch pattern provides the stated mounting dimensions and finish for the assembly. The listed tread is described as suited to highways and gravel paths, offering relevant surface context without specifying a numeric maximum load or PSI.
- ST205/75R15 tire size.
- 8PR and Load Range D designation.
- 15-by-6-inch galvanized wheel.
- Tread is described for highways and gravel paths.
- The tire is ST205/75R15, not the 225/75R15 size used by several listed assemblies.
Skip it if you need ST225/75R15 tires; the GREMAX 14-ply silver set uses that size.
Consider this assembly if your trailer calls for ST205/75R15 tires and a galvanized 15-by-6-inch wheel with a 6-by-5.5-inch pattern. Its smaller tire size and Load Range D designation are important fit and selection boundaries.
Full product details
| Brand | Generic |
|---|---|
| Compatible with Vehicle Type | Trailer |
| Included Components | Assembly tire and wheel |
| Manufacturer | RHINO |
| Part Number | 20575158 |
| Rim Size | 15 inches |
| Size | GRANDST205/75R15-8PRB156GAL |
| Wheel Size | 15 inches |
Listed on Amazon as: GRANDFORCE Trailer Tire ST205/75R15 8PR on 15×6 6×5.5 Galvanized Wheel
View on AmazonWhy it ranks #10: It has a 15-inch rim and 6-on-5.5-inch pattern, but its ST205/75D15 bias tire is Load Range C and rated for 1,820 pounds.
A bias-ply ST205/75D15 tire with a stated 1,820-pound maximum load makes this eCustomRim assembly a clearly specified option for trailers calling for that size and rating. Its 15-by-5-inch rim and 3.19-inch center bore further distinguish its fit dimensions.
The tire's 27.2-inch overall diameter, 50 PSI rating, and Load Range C designation provide concrete operating and sizing details for comparing against a trailer's requirements. Its 15-by-5-inch rim uses a 3.19-inch center bore and 6-on-5.5-inch bolt pattern, offering key hub-matching dimensions. Because this is a bias-ply ST205/75D15 assembly rated to 1,820 pounds maximum, buyers can assess whether its tire construction, size, and capacity suit their intended trailer position.
- ST205/75D15 bias-ply tire.
- Load Range C with 1,820-pound maximum load.
- 50 PSI specification and 27.2-inch overall diameter.
- 15-by-5-inch rim with 3.19-inch center bore and 6-on-5.5-inch pattern.
- Its 1,820-pound maximum load is lower than the 2,540-pound rating listed for eCustomRim's 58989-2 pair.
Skip it if you need a stated 2,540-pound tire rating; eCustomRim's 58989-2 pair lists that capacity.
This assembly suits buyers whose trailer calls for a bias-ply ST205/75D15 tire and whose requirements align with its 1,820-pound maximum load. The 15-by-5-inch rim and 3.19-inch bore make fit dimensions especially important to check.
Full product details
| Brand | eCustomRim |
|---|---|
| Included Components | User Guide |
| Item Weight | 36 pounds |
| Load Capacity | 1820 pounds |
| Manufacturer | eCustomRim |
| Part Number | 68771 |
| Manufacturer Warranty Description | Two Years |
| Rim Size | 15 inches |
| Size | 205/75D15 |
| Vehicle Tire ISO Metric Size Description | 205/75D15 |
Listed on Amazon as: eCustomrim Trailer Tire Rim Assembly ST205/75D15 15 Inch 6 Lug Load Range C
View on AmazonAvoid a bolt-pattern and hub-fit mismatch
A matching 6-on-5.5-inch bolt pattern does not by itself prove that a wheel fits your trailer hub. The listings show why: the eCustomRim Radial Load E specifies a 4.25-inch center bore, while the eCustomRim Goodyear Endurance and eCustomRim Radial Load D specify 3.75 inches. The eCustomRim Bias Load C lists a 3.19-inch center bore and a 15×5 rim, rather than the 15×6 rims common in the ST225/75R15 options.
A bore that does not suit the hub can prevent correct seating, even if the lug count and bolt-circle measurement seem right. Verify the trailer’s hub bore, wheel offset or other fitment requirements from its documentation, and compare them with the exact listing before ordering.
Also confirm whether the listing is for one assembly or a set: these products range from one wheel to a four-piece package.
Treat tire load capacity as an axle-level check
Choose a tire only after checking that its capacity meets the load required at that wheel position. Among the products, stated maximum capacities include 2,860 pounds for the eCustomRim Radial Load E, 2,830 pounds for the eCustomRim Goodyear Endurance, 2,850 pounds for the TRAILQUEST Load E Assembly, 2,540 pounds for the eCustomRim Radial Load D, and 1,820 pounds for the eCustomRim Bias Load C. Some listings give ply or load-range information without a stated capacity, so do not infer an exact load rating from the 14-ply or 10PR description alone.
A consequential mismatch is exceeding the tire’s capacity after loading the trailer; the supplied product data does not establish a safe trailer payload. Use the trailer’s rated requirements and the tire’s full specifications, and do not treat capacity per tire as the trailer’s total allowable load.
How to Choose 6-Lug 15-Inch Trailer Assemblies
Tire size and construction
Start by matching the tire size and construction specified for your trailer. Most options here are ST225/75R15 radials, including the eCustomRim Radial Load E, ROCKMAN ST225/75R15, and Free Country ST225/75R15. The smaller GRANDFORCE ST205/75R15 and eCustomRim Bias Load C are ST205/75 sizes; the latter is explicitly bias ply, not radial.
The listed ST225/75R15 tires have a 28.1-inch overall diameter where that measurement is supplied, while the bias ST205/75D15 lists 27.2 inches. Buyers replacing an existing ST225/75R15 tire should focus on that size, while those whose trailer specifies ST205/75R15 should not change sizes just because another option has a higher load figure.
Load rating and pressure
Look for a tire capacity and pressure that meet the trailer’s documented requirements at the required load. The supplied figures range from 1,820 pounds and 50 PSI for the eCustomRim Bias Load C to 2,860 pounds and 80 PSI for the eCustomRim Radial Load E; the eCustomRim Radial Load D lists 2,540 pounds and 65 PSI. The eCustomRim Goodyear Endurance lists 2,830 pounds at 80 PSI, and the TRAILQUEST Load E Assembly lists a 2,850-pound capacity.
Buyers needing a higher stated capacity can compare the Load E options first. Those with a lighter-duty specification may consider a lower-rated tire only if it still satisfies the trailer’s requirement.
Several listings omit capacity, so verify their full tire specifications rather than assuming ply rating supplies the missing figure.
Wheel fitment and quantity
Check the wheel’s bolt pattern, center bore, rim width, and package quantity against your trailer before choosing. Several listings specify a 6-on-5.5-inch pattern and a 15×6 rim, including the eCustomRim Radial Load E; its center bore is 4.25 inches, compared with 3.75 inches on the eCustomRim Goodyear Endurance and eCustomRim Radial Load D. The eCustomRim Bias Load C instead has a 15×5 rim and 3.19-inch bore.
Package formats also vary: the GRANDFORCE 4-Pack ST225/75R15 is explicitly a four-piece set, while the TRAILQUEST Load E Assembly is one tire and one wheel. Buyers replacing a full set may prefer the four-piece listing; those needing one replacement can compare single-assembly listings.
Which 6-Lug Trailer Wheel-and-Tire Set Fits My Needs?
For a clearly specified ST225/75R15 radial with a higher stated capacity, choose the eCustomRim Radial Load E, provided its 4.25-inch center bore fits your hub. If you need a single mounted Load E assembly with a listed 2,850-pound capacity, consider the TRAILQUEST Load E Assembly. The eCustomRim Goodyear Endurance is another Load E option, with a 2,830-pound rating and a 3.75-inch bore.
For a four-wheel replacement order, the GRANDFORCE 4-Pack ST225/75R15 specifies a 6-on-5.5-inch pattern, but its supplied data does not state tire capacity. If your trailer calls for ST205/75R15, compare the GRANDFORCE ST205/75R15 with the lower-capacity eCustomRim Bias Load C.
Verify the trailer’s required size, load, and hub fitment before purchasing.
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Frequently Asked Questions
How do I measure a trailer hub’s bolt pattern and center bore before ordering?
Count the hub’s lug studs and measure the bolt circle using the correct method for an even-numbered pattern; for six lugs, measure from the center of one stud to the center of the opposite stud. Measure the hub pilot diameter, too, and compare it with the wheel’s stated center bore.
How should I calculate the required tire load capacity for my fully loaded trailer?
Use the trailer’s fully loaded weight and ensure the combined tire capacity on each axle meets or exceeds that axle’s share of the load. Account for how weight is distributed, and follow the trailer and tire manufacturers’ guidance. Do not rely on unloaded weight or assume every axle carries an equal share.
Can I mix different tire sizes, load ranges, or radial and bias-ply tires on one trailer axle?
Avoid mixing tire sizes or construction types on the same axle; tires can handle and wear differently. Use tires with matching size and appropriate load capacity, and follow the trailer manufacturer’s recommendations. If replacing only one tire, check that its specifications and condition are compatible with the tire beside it.
Does a six-lug wheel automatically fit a six-lug trailer hub?
No. The lug count is only one part of fitment. Match the bolt-circle measurement, center bore, wheel dimensions, and required tire size to your trailer.
A wheel with six holes can still have the wrong bolt pattern or bore, so verify each measurement before ordering.
What should I verify when ordering a mounted tire-and-wheel assembly?
Confirm that the tire size and load capacity meet your trailer’s requirements, then check the wheel’s bolt pattern and center bore against the hub. Also verify that the assembly’s listed dimensions and construction suit your application. A mounted assembly does not guarantee fit just because its tire size appears correct.
Final Words
For a clearly specified ST225/75R15 radial with a stated capacity up to 2,860 pounds at 80 PSI, the eCustomRim Radial Load E is the leading option if its 4.25-inch center bore fits your hub. Consider the TRAILQUEST for a single Load E assembly, or compare the other choices against your required size and load. Before ordering, verify bolt pattern, bore, tire capacity, and trailer specifications.



