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355-25zr21 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 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

3 tires available in 355-25zr21

In Size 355-25zr21

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

Top SimpleScore&trade;:

Chosen by our tire experts.

P Zero (PZ4-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.

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

Load Range

Standards that measure treadwear, temperature resistance and traction, example: "640 A A".  The 640 is the treadwear test and it lasted 6.4 times longer than the comparison tire tested against.  The first "A" is the traction rating using straight-line wet traction on test surfaces (see information tables tab) and the second "A" is the temperature rating by testing operation at high speeds without heat-related failure (see information tables tab).

UTQG

Wet Traction is a piece of the UTQG for example if  UTQG is: 500 AA A, the wet traction piece is the second piece, the "AA".

Wet Traction

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

Rim Range

Low rolling resistance tires are designed to reduce the energy loss as a tire rolls, decreasing the required rolling effort, improving vehicle fuel efficiency.

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355/25zR21 gladiator Tires

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Gladiator X COMP H/P
107Y | In stock

Category
Performance
Vehicle
Passenger
Mileage Warranty
N/A

Load Index
2150 lbs (107)
Max Speed
186 MPH (Y)
Sidewall
Blackwall
Tread Depth
10/32nds
Inflation Pressure
49 PSI
Part Number
1951451255
Tread Design
Asymmetrical
Tire Weight
39 lbs
Section Width
14.4"
Overall Diameter
28"

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355/25zR21 gladiator Tires

Gladiator X COMP H/P 107Y | In stock

CategoryPerformanceVehiclePassengerMileage WarrantyN/A

Load Index2150 lbs (107)Max Speed186 MPH (Y)SidewallBlackwallTread Depth10/32ndsInflation Pressure49 PSIPart Number1951451255Tread DesignAsymmetricalTire Weight39 lbsSection Width14.4"Overall Diameter28"

Join the SimpleCrew and get exclusive perks.

Did you find what you were looking for?

Gladiator X COMP H/P
107Y | In stock

Category
Performance
Vehicle
Passenger
Mileage Warranty
N/A

Load Index
2150 lbs (107)
Max Speed
186 MPH (Y)
Sidewall
Blackwall
Tread Depth
10/32nds
Inflation Pressure
49 PSI
Part Number
1951451255
Tread Design
Asymmetrical
Tire Weight
39 lbs
Section Width
14.4"
Overall Diameter
28"

Did you find what
you were looking for?