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st145r12 tires

Rainier ST

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.

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

5 tires available in st145r12

In Size st145r12

**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

Based on verified customer reviews, this tire has been highly rated.

Top rated:

Best customer reviewed tire.

Radial Trail RH

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

Rim Range

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

Overall Diameter

With similar, but improved specs to the factory tire

Best match:

Best match to original tire

Save on this  tire today.

Best deal:

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Most popular among drivers in PA

Best seller:

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Karrier S-Trail

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

Top SimpleScore&trade;:

Chosen by our tire experts.

ST300

Like  their name suggest, all season tires are designed to give drivers performance year-round. All-season tires often provide strong performance in dry and wet conditions, and suitable traction and grip in wintery weather.

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st145R12 tredit Tires

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Tredit Rainier ST
ST145R12 95M E | In stock

Vehicle
Trailer
Mileage Warranty
N/A
Load Index
1521 lbs (95)

Max Speed
81 MPH (M)
Load Range
E (10 Ply)
Sidewall
Tubeless
Tread Depth
8/32nds
Inflation Pressure
80 PSI
Part Number
RN145X12ETL
Tread Design
Symmetrical
Tire Weight
15.3 lbs
Section Width
5.5"

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st145R12 tredit Tires

Tredit Rainier STST145R12 95M E | In stock

VehicleTrailerMileage WarrantyN/ALoad Index1521 lbs (95)

Max Speed81 MPH (M)Load RangeE (10 Ply)SidewallTubelessTread Depth8/32ndsInflation Pressure80 PSIPart NumberRN145X12ETLTread DesignSymmetricalTire Weight15.3 lbsSection Width5.5"

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Tredit Rainier ST
ST145R12 95M E | In stock

Vehicle
Trailer
Mileage Warranty
N/A
Load Index
1521 lbs (95)

Max Speed
81 MPH (M)
Load Range
E (10 Ply)
Sidewall
Tubeless
Tread Depth
8/32nds
Inflation Pressure
80 PSI
Part Number
RN145X12ETL
Tread Design
Symmetrical
Tire Weight
15.3 lbs
Section Width
5.5"

Did you find what
you were looking for?