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355-25r21 tires

X COMP H/P

Performance tires are designed for use on sports cars and performance-oriented vehicles. These tires are usually at their best in above freezing temperatures, and offer drivers responsive handling, improved acceleration, and strong braking capabilities.

Passenger tires are some of the most common tires you'll find on the roads today, and frequently used on coupes, sedans, hatchbacks, minivans, and other passenger vehicles. Passenger tires are available in a wide variety of types, such as all-season, winter, and ultra-high-performance.

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.

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)

SureGrip Pro Sport

Summer tires are designed for use in warmer weather or in areas where the temperatures does not drop below 40 degrees. These tires are ideal for ue in warm, dry, and wet conditions that are common in the summertime.

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355/25R21 passenger Tires

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Gladiator X COMP H/P
355/25ZR21 107Y XL | In stock

Category
Performance
Vehicle
Passenger
Mileage Warranty
N/A

Load Index
2150 lbs (107)
Max Speed
186 MPH (Y)
Load Range
Extra (XL)
Sidewall
Blackwall
Tread Depth
10/32nds
Inflation Pressure
51 PSI
Part Number
1951451255
Tread Design
Asymmetrical
Tire Weight
39 lbs
Section Width
14.4"
Overall Diameter
28"
Three-Peak Mountain Snowflake (3PMS)
No

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Gripmax SureGrip Pro Sport
355/25ZR21 107Y XL | In stock

Category
Summer
Vehicle
Passenger
Mileage Warranty
N/A

Load Index
2150 lbs (107)
Max Speed
186 MPH (Y)
Load Range
Extra (XL)
Sidewall
Blackwall
Part Number
810149133879
Tire Weight
39 lbs
Three-Peak Mountain Snowflake (3PMS)
No

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355/25R21 passenger Tires

Gladiator X COMP H/P355/25ZR21 107Y XL | In stock

CategoryPerformanceVehiclePassengerMileage WarrantyN/A

Load Index2150 lbs (107)Max Speed186 MPH (Y)Load RangeExtra (XL)SidewallBlackwallTread Depth10/32ndsInflation Pressure51 PSIPart Number1951451255Tread DesignAsymmetricalTire Weight39 lbsSection Width14.4"Overall Diameter28"Three-Peak Mountain Snowflake (3PMS)No

Join the SimpleCrew and get exclusive perks.

Gripmax SureGrip Pro Sport355/25ZR21 107Y XL | In stock

CategorySummerVehiclePassengerMileage WarrantyN/A

Load Index2150 lbs (107)Max Speed186 MPH (Y)Load RangeExtra (XL)SidewallBlackwallPart Number810149133879Tire Weight39 lbsThree-Peak Mountain Snowflake (3PMS)No