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st145r12 tires

Radial Trail RH

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

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

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st145R12 trailer Tires

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Carlstar Radial Trail RH
ST145R12 88L D | In stock

Vehicle
Trailer
Mileage Warranty
N/A
Load Index
1235 lbs (88)

Max Speed
75 MPH (L)
Load Range
D (8 Ply)
Sidewall
Blackwall
Tread Depth
9/32nds
Inflation Pressure
65 PSI
Part Number
5151311
Tread Design
Symmetrical
Tire Weight
15.43 lbs
Section Width
5.88"
Overall Diameter
21.38"

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Carlstar Radial Trail RH
ST145R12 95L E | In stock

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

Max Speed
75 MPH (L)
Load Range
E (10 Ply)
Sidewall
Blackwall
Tread Depth
9/32nds
Inflation Pressure
80 PSI
Part Number
5151321
Tread Design
Symmetrical
Tire Weight
15.87 lbs
Section Width
6.01"
Overall Diameter
21.44"

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st145R12 trailer Tires

Carlstar Radial Trail RHST145R12 88L D | In stock

VehicleTrailerMileage WarrantyN/ALoad Index1235 lbs (88)

Max Speed75 MPH (L)Load RangeD (8 Ply)SidewallBlackwallTread Depth9/32ndsInflation Pressure65 PSIPart Number5151311Tread DesignSymmetricalTire Weight15.43 lbsSection Width5.88"Overall Diameter21.38"

Join the SimpleCrew and get exclusive perks.

Carlstar Radial Trail RHST145R12 95L E | In stock

VehicleTrailerMileage WarrantyN/ALoad Index1521 lbs (95)

Max Speed75 MPH (L)Load RangeE (10 Ply)SidewallBlackwallTread Depth9/32ndsInflation Pressure80 PSIPart Number5151321Tread DesignSymmetricalTire Weight15.87 lbsSection Width6.01"Overall Diameter21.44"