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st225-75-15 tires

SU805

These tires are intended for trailer axles only, and can withstand long miles of in-line hauling. They're not meant for steering or drive axle applications, and their design offers years of reliable service in trailer applications. Choose from favorites like Gladiator, Carlisle and Goodyear trailer tires.

This product is not covered by a manufacturer’s treadlife warranty.

Mileage Warranty

The maximum carrying capacity for a tire determined by the manufacturer  
                (Single wheel applications / Dual wheel applications).

Load Index

Maximum speed capability to safely carry a load for an extended period of time.

Max Speed

The maximum load carrying strength at the specified inflation pressure, also known as ply rating.

The side of the tire between the tread and rim, with cosmetic branding as well as information about the tire including manufacturer, model, size, etc.

Sidewall

Measured in 32nds of an inch, this metric shows how much tread life is left on a tire, with the tire's traction & stopping capabilities greatly diminished at 4/32nds and less. Tire manufacturers include "tire wear bars" at 2/32nds to indicate when your tire is worn out.

Tread Depth

The highest inflation pressure (measured in pounds of force per square inch, PSI) the tire is designed to contain, and should only be used when called for by the vehicle placard.

Inflation Pressure

An identifier of a particular tire line and size combination assigned by the tire manufacturer.

Part Number

Tread design (or tread pattern) can affect handling, traction & noise for different driving styles & road conditions.

Tread Design

Tire Weight

The measurement of width from a tires inner sidewall to the outer sidewall.

Section Width

The diameter of a tire that is inflated without any load applied.

Overall Diameter

A three-peak mountain snowflake (3PMSF) symbol branded on a tire's sidewall indicates the tire meets required performance criteria in snow testing to be considered severe snow service-rated.

Three-Peak Mountain Snowflake (3PMS)

118 tires available in st225-75-15

In Size st225-75-15

**Most drivers choose from our top picks**<br />They include the best matches 
                     of this tire size based on popularity, user ratings, and price.

We'll start with our 5 top picks

Consistently rated as excellent by experts with the highest SimpleScore among the top 5 tires.

Top SimpleScore&trade;:

Chosen by our tire experts.

Vantra Trailer (ST01)

The range of widths the rim of the vehicle can be for this tire to be safely mounted on.

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st225/75-15 roadone Tires

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RoadOne SU805
ST225/75R15 121L F | In stock

Vehicle
Trailer
Mileage Warranty
N/A
Load Index
3197 lbs/2910 lbs (121/118)

Max Speed
75 MPH (L)
Load Range
F (12 Ply)
Sidewall
Tubeless
Tread Depth
14/32nds
Inflation Pressure
95 PSI
Part Number
RL1414
Tread Design
Symmetrical
Tire Weight
35 lbs
Section Width
8.8"
Overall Diameter
28.3"
Three-Peak Mountain Snowflake (3PMS)
No

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st225/75-15 roadone Tires

RoadOne SU805ST225/75R15 121L F | In stock

VehicleTrailerMileage WarrantyN/ALoad Index3197 lbs/2910 lbs (121/118)

Max Speed75 MPH (L)Load RangeF (12 Ply)SidewallTubelessTread Depth14/32ndsInflation Pressure95 PSIPart NumberRL1414Tread DesignSymmetricalTire Weight35 lbsSection Width8.8"Overall Diameter28.3"Three-Peak Mountain Snowflake (3PMS)No

Join the SimpleCrew and get exclusive perks.

Did you find what you were looking for?

RoadOne SU805
ST225/75R15 121L F | In stock

Vehicle
Trailer
Mileage Warranty
N/A
Load Index
3197 lbs/2910 lbs (121/118)

Max Speed
75 MPH (L)
Load Range
F (12 Ply)
Sidewall
Tubeless
Tread Depth
14/32nds
Inflation Pressure
95 PSI
Part Number
RL1414
Tread Design
Symmetrical
Tire Weight
35 lbs
Section Width
8.8"
Overall Diameter
28.3"
Three-Peak Mountain Snowflake (3PMS)
No

Did you find what
you were looking for?