Best St Trailer Tires for 15- and 16-Inch Trailers

#1 · Best Overall

1. Free Country Grand Ride

• Load Capacity: 2830 lb
• Size: 225/75R15 10PR
• Rim Size: 15 in
• Weight: 28.8 lb

Best for: Sidewall-protection seekers.

Why it ranks #1: This four-tire ST225/75R15 radial set lists 10-ply Load Range E construction and 2,830-pound capacity, plus Scuff Guard sidewall and rim protection.

The Free Country Grand Ride pairs a Scuff Guard with a 10-ply Load Range E radial construction, giving trailer owners added sidewall and rim protection alongside a stated 2,830-pound load capacity. Its 225/75R15 size and four-tire set suit buyers replacing a matching group of trailer tires, while the guard helps protect the tire during use.

The Scuff Guard adds protection to the sidewall and rim, and the supplied product facts say it can extend tire life. That protection is useful for owners who want more than a basic radial sidewall. Load Range E, 10-ply construction, and a 2,830-pound capacity provide concrete specifications for evaluating a trailer’s tire requirements. The 225/75R15 size and 15-inch rim specification help narrow compatibility, while the four-tire set supports a complete replacement purchase.

Skip it if you need more than 2,830 pounds of capacity per tire; Transeagle ST Radial ST235/80R16 lists 4,079 pounds.

Choose this set if your trailer calls for 225/75R15 tires and you value added sidewall and rim protection. Its 2,830-pound stated capacity is the key boundary to weigh against your trailer’s requirements.

Listed on Amazon as: Free Country Grand Ride Set 4 Trailer Tires ST225/75R15 10 Ply Load Range E Steel Belted Radial w/Featured Scuff Guard

#2 · Tread Reinforcement

2. Free Country HD

• Load Capacity: 2400 lb
• Size: Set of 4
• Rim Size: 15 in
• Weight: 49.2 lb

Best for: Four-tire reinforced-tread set.

Why it ranks #2: The ST205/75R15 radial set has 10-ply Load Range E construction, 2,400-pound capacity, a full nylon cap ply, and Scuff Guard.

A full nylon cap ply across the tread area distinguishes this Free Country HD set, which the listing describes as a safety upgrade over shoulder-only nylon strips. Its 10-ply Load Range E construction and 2,400-pound capacity make the specifications useful for trailer owners replacing four ST205/75R15 tires together.

The full nylon cap ply spans the tread area, rather than being limited to shoulder strips, giving buyers a specific construction difference to consider. A Scuff Guard ring adds tire-wall protection, while the 10-ply Load Range E construction and 2,400-pound capacity help define its load use. The four-tire set can simplify a complete replacement, but the listing says it is for trailer use only and that rims are not included. Its 205/75R15 size narrows fit considerations.

Skip it if you need wheels supplied with the tires; HORSESHOE LIPIZZAN ST-KING I also lists tires only, so seek a wheel-inclusive package.

Choose this set for a trailer needing four ST205/75R15 tires with full-width nylon cap ply and Scuff Guard protection. Its 2,400-pound capacity and tires-only format are important limits to consider.

Listed on Amazon as: Free Country HD Trailer Tires ST205/75R15 10PR LRE 111N w/Scuff Guard, Set4

#3 · 16-Inch Capacity

3. Horseshoe ST King I

• Load Capacity: 3525 lb
• Size: ST 235/80R16 10PR
• Rim Size: 16 in

Best for: High-capacity 16-inch trailer fit.

Why it ranks #3: This ST235/80R16 radial lists 3,525-pound capacity and 10-ply Load Range E construction, making it a substantial option for compatible 16-inch wheels.

A stated 3,525-pound load capacity is the defining specification of the HORSESHOE LIPIZZAN ST-KING I, a 10-ply radial trailer tire in ST235/80R16. The 16-inch rim size and 124/120M marking provide useful details for buyers comparing a heavy-duty replacement, and the listing specifies tires only rather than a wheel-and-tire package.

The 3,525-pound capacity gives trailer owners a concrete figure to compare with their load needs, while the 10-ply Load Range E construction identifies its heavy-duty specification. Its ST235/80R16 size and 16-inch rim measurement narrow the relevant trailer fit. The 124/120M marking and listed 81-mph rating add operating information to review, and the all-terrain, all-season description speaks to varied road and seasonal use. This listing includes tires only, so wheels are not part of the package.

Skip it if you need wheels included with your tires; WANDA Free Country ST205/75D15 is also listed as tires only, so choose a wheel-inclusive listing instead.

This suits trailer owners seeking an ST235/80R16, 16-inch-rim radial with a stated 3,525-pound capacity. Account for the tires-only package and compare its dimensions and load rating with your trailer’s requirements.

Listed on Amazon as: HORSESHOE LIPIZZAN 4 New ST235/80R16 10PLY ST-KING I Steel Belted LRE Heavy Duty Premium Radial Trailer Tires w/Featured Rim-Guard-Wall 124/120M 81mph BSW All Terrain All Season (4, ST 235/80R16 10PR)

#4 · Highest Capacity

4. Transeagle ST Radial

• Load Capacity: 4079 lb
• Size: 235/80R16
• Rim Size: 16 in
• Weight: 212 lb

Best for: High-capacity 16-inch radial set.

Why it ranks #4: The ST235/80R16 all-steel, 14-ply tire lists 4,079-pound capacity, the highest listed here, for trailers requiring this size and load rating.

The Transeagle ST Radial lists a 4,079-pound load capacity, its clearest distinction for buyers comparing heavy-duty 235/80R16 trailer tires. This four-tire all-season set uses an all-steel, 14-ply construction, and its 16-inch rim specification helps narrow the relevant wheel size for replacement planning.

A stated 4,079-pound capacity gives buyers a specific figure to compare with their trailer’s needs, while the 14-ply, all-steel construction defines the tire’s heavy-duty specification. The 235/80R16 size and 16-inch rim measurement support replacement planning around the listed dimensions. Its all-season description and Transeagle’s stated focus on handling, load durability, and traction add practical operating considerations. The package contains four tires only, so buyers should account for the absence of rims when arranging installation.

Skip it if you need wheels included with the tires; HORSESHOE LIPIZZAN ST-KING I also lists tires only, so seek a wheel-inclusive package.

This set suits owners whose trailer calls for 235/80R16 tires and a high stated load capacity. Its four-tire, tires-only format and 16-inch rim specification are important installation considerations.

Listed on Amazon as: Transeagle ST Radial ST235/80R16 All Season G (14 Ply) All Steel Four Tires

#5

5. Mastertrack UN203

• Load Capacity: 2400 lb
• Size: ST205/75R15 10Ply
• Rim Size: 15 in

Best for: Four-tire Load Range E radial set.

Why it ranks #5: This four-tire ST205/75R15 radial set lists 10-ply construction and 2,400-pound capacity, with a stated three-year road warranty.

Mastertrack packages four ST205/75R15 radial trailer tires with a 10-ply Load Range E specification and a stated 2,400-pound capacity per tire. That combination gives buyers a clear set quantity and load figure to assess when planning a complete replacement, while the 15-inch rim size identifies the listed wheel diameter.

The four-tire quantity can support a complete replacement plan, and the ST205/75R15 size with a 15-inch rim measurement provides the key listed fit details. Load Range E, 10-ply construction, and a 2,400-pound capacity per tire give buyers concrete specifications for comparing load requirements. The listing also includes a three-year road warranty, a relevant ownership detail for buyers considering support coverage. The supplied information does not describe a tread pattern or special sidewall protection, so the choice rests chiefly on size, load, and set quantity.

Skip it if you want specified tread and sidewall-protection features; Free Country HD Trailer Tires ST205/75R15 lists a full nylon cap ply and Scuff Guard.

Consider this set if you need four ST205/75R15 radials and the 2,400-pound capacity meets your trailer’s requirements. Its listing focuses on size, load, and warranty rather than describing tread design.

Listed on Amazon as: Set of 4 UN203 ST205/75R15 111N 10 Ply Load Range E Radial Trailer Tires

#6

6. NAMA NM616

• Load Capacity: 2400 lb
• Size: ST205 75R15
• Rim Size: 15 in

Best for: All-season radial trailer set.

Why it ranks #6: The ST205/75R15 Load Range E radial lists 2,400-pound capacity and a five-rib tread; the listing describes two packages of two tires.

NAMA’s NM616 uses a five-rib tread designed to create a flat, symmetric footprint, supporting balanced road contact and responsive handling. The set is specified as ST205/75R15 Load Range E, 10-ply trailer tires with a 2,400-pound capacity, while its reinforced casing and wear-resistant compound target resistance to cuts, chips, and abrasion.

The five-rib tread and flat, symmetric footprint are described as promoting balanced contact and responsive handling, while the wear-resistant rubber compound and nylon-reinforced casing address cuts, chips, and abrasion. The ST205/75R15 size and 10-ply Load Range E specification help buyers compare fit and load class; the stated capacity is 2,400 pounds. The listing describes highway-terrain, all-season trailer use and wet, dry, and snow traction. These tires are not meant for light trucks, and two packages are specified for the set of four.

Skip it if you need tires for a light truck; this NAMA NM616 listing specifically limits use to trailers.

This set suits trailer owners seeking four all-season ST205/75R15 tires with reinforced construction and a five-rib tread. Keep its trailer-only application in mind; it is not suitable for mounting on light trucks.

Listed on Amazon as: NAMA NM616 Set of 4 ST205/75R15 Trailer Tires, Load Range E 10 Ply Heavy Duty ST Tire Radial Trailer Tire

#7

7. Transeagle ST Radial II

• Load Capacity: 2833 lb
• Size: 225/75R15
• Rim Size: 15 in
• Weight: 28 lb

Best for: 15-inch radial replacement buyers.

Why it ranks #7: This ST225/75R15 10-ply radial lists 2,833-pound capacity, just above the Grand Ride’s listed capacity, but the offer is for one tire.

The Transeagle ST Radial II combines a 225/75R15 size with a stated 2,833-pound load capacity, giving buyers two concrete specifications for evaluating a trailer-tire replacement. Its 10-ply Load Range E construction and radial format further define the tire, while the listing is for one tire only rather than a multi-tire set.

A 2,833-pound stated load capacity lets buyers compare the tire with their trailer’s needs, while the 10-ply Load Range E specification identifies its load class. The 225/75R15 size and 15-inch rim measurement provide useful fit details for replacement planning. Transeagle also describes the tire as offering handling, load durability, and traction, relevant considerations for towing. Because the listing specifies a tire only and no manufacturer warranty, buyers should factor in the single-tire purchase and warranty information when planning replacement.

Skip it if you need a four-tire package; Free Country HD Trailer Tires ST205/75R15 is listed as a set of four.

Consider this tire if your trailer calls for a 225/75R15 radial and its stated 2,833-pound capacity meets your needs. It is a single-tire listing, so it may not suit a full-set replacement.

Listed on Amazon as: Transeagle ST Radial II ST225/75R15 117/112N E (10 Ply) Tire

#8

8. Omni Trail STR

• Size: ST205/75R15
• Rim Size: 15 in

Best for: RV and utility trailer towing.

Why it ranks #8: This trailer-specific ST205/75R15 radial is listed as two 8-ply tires and has reinforced sidewalls, though no load capacity is provided.

Reinforced sidewalls are a central feature of Omni Trail’s STR radial tire, intended to support heavy cargo and reduce sidewall deflection during demanding turns. The ST205/75R15 size and 8-ply construction give RV, boat, utility, and cargo trailer owners useful starting specifications when considering this two-tire package.

The reinforced radial body and sidewalls are described as supporting heavy cargo and maintaining tire integrity through demanding turns, a practical consideration for towing. Omni Trail also links the construction to balanced stability and steady tracking for RV, boat, utility, and cargo trailers. Its ST205/75R15 size and 15-inch rim specification help narrow replacement fit, while the 8-ply rating identifies its construction. The listing contains two tires, so buyers planning a full four-tire replacement need to account for the package quantity.

Skip it if you need four tires in one package; Mastertrack Set of 4 UN203 ST205/75R15 provides a four-tire set.

Consider this pair for RV, boat, utility, or cargo trailer towing when reinforced sidewalls and steady tracking matter. Its two-tire quantity means it is not a complete set for four-tire replacement.

Listed on Amazon as: Omni Trail Capability STR Radial Trailer Tire, ST205/75R15, 2 Tires, 8-Ply

#9

9. WANDA Free Country Bias

• Load Capacity: 1.82E+3 lb
• Size: 205/75D15 Pack of 2
• Rim Size: 15 in
• Weight: 39.2 lb

Best for: Deep-tread bias-ply pair.

Why it ranks #9: This pair of ST205/75D15 bias tires lists six-ply Load Range C construction and 1,820-pound capacity, suited to buyers whose trailer specifies bias tires.

A deeper tread is the defining feature of this WANDA set of two Free Country ST205/75D15 bias tires, with the listing linking that tread to longer life. The 6-ply Load Range C construction and 1,820-pound maximum load per tire give buyers concrete limits to compare, while the package is specified as tires only.

The deeper tread is presented as a longer-life feature, which may matter to trailer owners planning repeated use. These bias tires have a 6-ply, Load Range C specification and a stated maximum load of 1,820 pounds at 50 psi, giving buyers a clear basis for checking trailer requirements. The ST205/75D15 size and 15-inch rim measurement help narrow the intended fit. The set contains two tires, and rims are not included, so wheel sourcing remains a separate task.

Skip it if you need more than 1,820 pounds of capacity per tire; Free Country HD Trailer Tires ST205/75R15 lists a 2,400-pound capacity.

This pair suits trailer owners seeking ST205/75D15 bias tires with deeper tread and a stated 1,820-pound limit. Check that the load capacity meets your needs, and plan separately for rims.

Listed on Amazon as: WANDA Set 2 Free Country Trailer Tires ST 205/75D15 Deep Tread- 11021

#10 · Bias Construction

10. Free Country Bias

• Load Capacity: 1820 lb
• Size: 205/75D15 6PR
• Rim Size: 15 in
• Weight: 39.2 lb

Best for: Deep-tread bias-tire set.

Why it ranks #10: This four-tire ST205/75D15 bias set lists six-ply Load Range C construction and 1,820-pound capacity, lower than the listed radial alternatives.

Free Country’s deep-tread design is the key feature of this four-tire ST205/75D15 bias set, with the listing describing the tread as deeper than many same-size tires and linking it to longer life. Its 6-ply Load Range C rating and 1,820-pound capacity define the load limits for trailer owners comparing options.

The deeper tread is presented as a longer-life feature, a practical consideration for owners replacing a set of trailer tires. Each tire is specified as 6-ply Load Range C with a 1,820-pound load capacity, so those figures can be compared with the trailer’s requirements. The ST205/75D15 size and 15-inch rim measurement help identify the intended fit. This is a bias tire set for trailer use, and the four tires arrive without rims, leaving wheel installation or sourcing to the buyer.

Skip it if you need more than 1,820 pounds of capacity per tire; Free Country HD Trailer Tires ST205/75R15 lists a 2,400-pound capacity.

This set fits buyers seeking four deep-tread ST205/75D15 bias tires for trailer use. Its 1,820-pound capacity and lack of included rims are the main boundaries when planning a replacement.

Listed on Amazon as: FREE COUNTRY 4 Premium Trailer Tires ST 205/75D15 F78-15 Deep Tread- 11021