Answering the common buyer question: which ST175/80D13 tire and wheel assemblies deliver dependable towing for boat trailers? This guide highlights five top options sized for standard boat trailers, focusing on load range, wheel type, and durability. Each pick targets a typical trailer profile—utility, fishing, or mid-size watercraft—so you can choose based on load, climate, and road conditions. The following summaries include the best fits for different needs and a concise buying guide to compare key factors side-by-side.
Summary table of chosen products:
- eCustomrim 2-Pack Trailer Tire Rim Assembly ST175/80D13 (Black Wheel) – Best for budget-conscious boat trailers needing a complete DOT-approved assembly.
- Free Country Premium Trailer Tires ST175/80R13 – Best for upgrade over standard tires with scuff protection.
- GarveeTech ST175/80D13 Tire & Wheel Assembly – Best for heavy-duty use and easy replacement with a white spoke design.
- eCustomrim 2-Pack ST175/80D13 B78-13 – Best for deep-tread durability and all-season performance.
- eCustomrim Radial ST175/80R13 – Best for radial construction with higher load capacity and longer warranty.
eCustomrim 2-Pack Trailer Tire Rim Assembly ST175/80D13 Black Wheel
This complete assembly uses a bias ply trailer tire rated for 1360 lbs at 50 PSI, with a 24.4″ overall diameter and Load Range C. The 13×4.5 inch rim features a 3.19″ center bore and 5 lug on a 4.5″ bolt pattern, ensuring proper lug alignment. DOT-approved tire, wheel, and valve stem provide a ready-to-use package with roadside assistance support. Best for boat trailers requiring straightforward, reliable mounting and a two-year warranty.
Who this is best for: boat trailer owners needing a ready-to-install, value-focused set with guaranteed roadside help. Why selected: balance of standard bias ply performance, compatible bolt pattern, and warranty coverage. Caution: installation must match exact center bore and bolt pattern; verify compatibility with your trailer hub.
Free Country Premium ST175/80R13 Trailer Tires
These tires come as a set of two ST175/80R13 radial tires with 8-ply construction and Load Range D. They feature a full nylon cap ply overlay across the tread, offering a notable upgrade in durability. A built-in “Scuff Guard” ring protects the tire wall and rim from curb and rock contact. Best for: boat trailers that need improved sidewall protection and longer wear under frequent highway use. Why selected: radial design and scuff guard provide enhanced robustness for coastal or long-haul towing. Caution: radial tires may require different maintenance checks than bias ply; confirm service limits for your trailer.
GarveeTech ST175/80D13 Tire And Wheel Assembly
GarveeTech bundles a 2-pack set of ST175/80D13 bias ply tires with Load Range C 6PR on white 13″ spoke wheels with a 5 lug pattern. Ready-to-install assemblies emphasize towing stability and ease of replacement for boat or utility trailers. Best for: trailers needing a sturdy, visually distinct wheel with strong load-bearing capacity. Why selected: 6PR construction and pre-mounted wheels offer improved durability for rough roads or frequent use. Caution: white wheels may require regular cleaning to maintain appearance and protect against corrosion in salty environments.
eCustomrim 2-Pack ST175/80D13 B78-13 White Spoke Wheel
This 2-pack combines bias ply tires with a 24.4″ diameter and Load Range C, mounted on a white 13×4.5 inch rim with a 3.19″ center bore and 5 lug pattern. It is DOT-approved for safety and performance, and includes roadside assistance with a two-year warranty. Best for: boat trailers where a clean white wheel style complements the trailer’s appearance. Why selected: white spoke design offers a classic look, while maintaining dependable bias ply performance. Caution: ensure your trailer’s wheel wells and fenders accommodate the white spoke profile.
eCustomrim 2 Pack ST175/80D13 Trailer Tires
This 2-pack set features bias ply tires with Load Range C. The tires have a 24.4″ overall diameter and 50 PSI maximum pressure, facilitating smooth rolling and stable towing. DOT-approved and designed for various trailer applications. Best for: travelers seeking a simple, field-tested option for boat trailers. Why selected: straightforward two-pack provides reliable replacement tires at a practical price. Caution: verify that the 4.5″ bolt pattern matches your hub before purchase.
eCustomrim Radial ST175/80R13 Wheel Assembly
This radial tire assembly uses ST175/80R13 with Load Range D and 5 lug on 4.5″ bolt pattern on a 13″ wheel. It supports up to 1610 lbs at 65 PSI and features a 23.9″ overall diameter. DOT-approved and ready-to-use with a longer warranty covering roadside assistance. Best for: boat trailers carrying heavier loads or frequent highway travel. Why selected: higher load rating and radial design offer improved stability. Caution: radial tires may have different wear patterns; monitor tread depth for even wear.
Trailer Tires Rims ST175/80D13 175 80 13
This pairing offers a 6-ply ST175/80D13 tire with Load Range C and a 5 lug, 4.5″ bolt pattern on a 13″ wheel. The overall diameter is 24″, with a section width around 177 mm, designed for solid towing performance on boat trailers where a slightly wider footprint improves stability. Best for: trailers needing a balanced mix of load capacity and cost. Why selected: widely compatible bolt pattern and solid construction. Caution: verify tire and rim compatibility with your existing hub assembly and fender clearance.
Buying Guide: Key Factors To Compare
- Load rating and pressure: Check max load and PSI to match boat weight and trailer tongue load. Higher PR (ply rating) typically means stronger sidewalls and longer service life on rough roads.
- Bias ply vs radial: Radial tires often provide longer wear and better heat management; bias ply can be adequate for lighter duty or budget-focused setups. Choose based on use, climate, and road conditions.
- Rim size and bolt pattern: Ensure the 13″ wheel matches your hub, center bore, and lug pattern (often 5 lug on 4.5″ PCD). Incompatibilities require different hubs or adapters.
- Wheel finish and corrosion resistance: White or black finishes affect appearance and maintenance needs, especially in saltwater environments. Scuff guards help protect sidewalls and rims.
- Warranty and roadside assistance: A two- to six-year warranty with roadside support reduces long-term risk during travel and trips to the boat launch.
- DOT approval: DOT-certified assemblies ensure adherence to safety standards for tire, wheel, and valve stem components.
FAQ
- Q: What does Load Range C mean for ST175/80D13 tires? A: It indicates a mid-level ply strength suitable for light-to-moderate trailer loads, common in boat trailers.
- Q: Are radial tires better for boat trailers than bias ply? A: Radial tires can offer longer wear and better heat management, beneficial on longer trips; bias ply may suffice for lighter use.
- Q: How do I know if a wheel fits my trailer hub? A: Confirm the bolt pattern (5 lug on 4.5″), center bore size (3.19″), and overall wheel diameter to avoid clearance issues.
- Q: Should I choose white or black wheels? A: White wheels are aesthetically suited for classic trailer designs; black wheels hide dirt and corrosion more easily in salty conditions.
- Q: Is a DOT-approved tire assembly necessary? A: It ensures the combination of tire, wheel, and valve stem meets safety standards, which is recommended for all trailers.
- Q: Do these sets come with mounting hardware? A: These entries typically include tire, wheel, and valve stem; verify the product details if mounting hardware is needed.