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225-50r15 tires

Proxes R888R

Track Competition tires are built for the drivers who want track-capable performance on the street and track. Track Competition tires are built to last slightly longer than competition only tires while also providing strong everyday performance.

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

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

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

Proxes RA1

5 tires available in 225-50r15

In Size 225-50r15

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

Top SimpleScore&trade;:

Chosen by our tire experts.

Proxes R

Autocross tires are meant to be driven on the track or other performance courses and usually feature a slick design and special rubber compounds for better traction, acceleration, braking, and cornering. These tires are engineered to help drivers shave crucial seconds off of lap times, and should not be used in near-freezing temperatures.

With similar, but improved specs to the factory tire

Best match:

Best match to original tire

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

Top rated:

Best customer reviewed tire.

Ecsta AST KU25

Ultra High Performance (or UHP) tires have a speed rating of V or greater and are used on sports cars, super cars, and other powerful vehicles. Commonly featuring a wide footprint and low profile, UHP tires provide excellent traction and steering response but should not be used when temperatures are at 40 degrees or below.

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225/50R15 track competition Tires

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Toyo Proxes R888R
225/50ZR15 91W | In stock

Category
Track/Competition
Vehicle
Passenger
Mileage Warranty
N/A

Load Index
1356 lbs (91)
Max Speed
168 MPH (W)
Load Range
Standard (SL)
Sidewall
Blackwall
UTQG
100AAA
Wet Traction
AA
Tread Depth
6.3/32nds
Inflation Pressure
51 PSI
Part Number
103510
Tread Design
Directional
Tire Weight
23 lbs
Section Width
9.2"
Rim Range
6.00-8.00"
Overall Diameter
23.9"

Join the SimpleCrew and get exclusive perks.

Toyo Proxes RA1
225/50ZR15 0 | In stock

Category
Track/Competition
Vehicle
Passenger
Mileage Warranty
N/A

Load Range
Standard (SL)
Sidewall
Blackwall
UTQG
100AAA
Wet Traction
AA
Tread Depth
8/32nds
Inflation Pressure
44 PSI
Part Number
236830
Tread Design
Symmetrical
Tire Weight
23 lbs
Section Width
9.2"
Rim Range
6.00-8.00"
Overall Diameter
23.9"

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you were looking for?

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ENDS IN...

225/50R15 track competition Tires

Toyo Proxes R888R225/50ZR15 91W | In stock

CategoryTrack/CompetitionVehiclePassengerMileage WarrantyN/A

Load Index1356 lbs (91)Max Speed168 MPH (W)Load RangeStandard (SL)SidewallBlackwallUTQG100AAAWet TractionAATread Depth6.3/32ndsInflation Pressure51 PSIPart Number103510Tread DesignDirectionalTire Weight23 lbsSection Width9.2"Rim Range6.00-8.00"Overall Diameter23.9"

Join the SimpleCrew and get exclusive perks.

Toyo Proxes RA1225/50ZR15 0 | In stock

CategoryTrack/CompetitionVehiclePassengerMileage WarrantyN/A

Load RangeStandard (SL)SidewallBlackwallUTQG100AAAWet TractionAATread Depth8/32ndsInflation Pressure44 PSIPart Number236830Tread DesignSymmetricalTire Weight23 lbsSection Width9.2"Rim Range6.00-8.00"Overall Diameter23.9"

Did you find what you were looking for?

Toyo Proxes R888R
225/50ZR15 91W | In stock

Category
Track/Competition
Vehicle
Passenger
Mileage Warranty
N/A

Load Index
1356 lbs (91)
Max Speed
168 MPH (W)
Load Range
Standard (SL)
Sidewall
Blackwall
UTQG
100AAA
Wet Traction
AA
Tread Depth
6.3/32nds
Inflation Pressure
51 PSI
Part Number
103510
Tread Design
Directional
Tire Weight
23 lbs
Section Width
9.2"
Rim Range
6.00-8.00"
Overall Diameter
23.9"

Toyo Proxes RA1
225/50ZR15 0 | In stock

Category
Track/Competition
Vehicle
Passenger
Mileage Warranty
N/A

Load Range
Standard (SL)
Sidewall
Blackwall
UTQG
100AAA
Wet Traction
AA
Tread Depth
8/32nds
Inflation Pressure
44 PSI
Part Number
236830
Tread Design
Symmetrical
Tire Weight
23 lbs
Section Width
9.2"
Rim Range
6.00-8.00"
Overall Diameter
23.9"

Did you find what
you were looking for?