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st185-80r13 tires

Road Max 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  
                (Single wheel applications / Dual wheel applications).

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 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

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.

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st185/80R13 national Tires

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National Road Max ST
ST185/80R13 99M D | In stock

Vehicle
Trailer
Mileage Warranty
N/A
Load Index
1709 lbs/1521 lbs (99/95)

Max Speed
81 MPH (M)
Load Range
D (8 Ply)
Sidewall
Blackwall
Tread Depth
8/32nds
Inflation Pressure
65 PSI
Part Number
NRM16
Tread Design
Symmetrical
Tire Weight
17.7 lbs
Section Width
7.24"
Rim Range
4.50-6.00"
Overall Diameter
24.65"
Three-Peak Mountain Snowflake (3PMS)
No

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st185/80R13 national Tires

National Road Max STST185/80R13 99M D | In stock

VehicleTrailerMileage WarrantyN/ALoad Index1709 lbs/1521 lbs (99/95)

Max Speed81 MPH (M)Load RangeD (8 Ply)SidewallBlackwallTread Depth8/32ndsInflation Pressure65 PSIPart NumberNRM16Tread DesignSymmetricalTire Weight17.7 lbsSection Width7.24"Rim Range4.50-6.00"Overall Diameter24.65"Three-Peak Mountain Snowflake (3PMS)No

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National Road Max ST
ST185/80R13 99M D | In stock

Vehicle
Trailer
Mileage Warranty
N/A
Load Index
1709 lbs/1521 lbs (99/95)

Max Speed
81 MPH (M)
Load Range
D (8 Ply)
Sidewall
Blackwall
Tread Depth
8/32nds
Inflation Pressure
65 PSI
Part Number
NRM16
Tread Design
Symmetrical
Tire Weight
17.7 lbs
Section Width
7.24"
Rim Range
4.50-6.00"
Overall Diameter
24.65"
Three-Peak Mountain Snowflake (3PMS)
No

Did you find what
you were looking for?