The Toyo Proxes RR is a DOT competition tire meant only for the racetrack, autocross, track days and driving schools. A semi-slick tread and quick-heating racing compound give strong dry grip and cornering force, while reinforced sidewalls sharpen steering feedback. It is not street legal and is not intended for wet weather or cold temperatures.
In the 225/50R15 size, this tire has a 120W load and speed rating. Specs include 11/32-inch tread depth, a 51 psi maximum inflation pressure and an overall diameter of about 23.9 inches.
| Tire size | 225/50R15 |
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| Tire load index | 120 |
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| Tire speed rating | W |
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| Tire load range | B |
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| Tire terrain | Highway Terrain |
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| Uniform tire quality grade (utqg) | 40 C A |
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| Tire treadwear rating | 40 |
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| Tire sidewall style | B |
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| Tread depth | 11/32 |
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| Overall diameter | 23.9 in |
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| Manufacturer | Toyo |
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| Tire width | 225 mm |
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| Vehicle fitment type | Universal |
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| Is run flat | N |
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| Vehicle type | Car |
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| Construction type | Radial |
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| Electric vehicle tire | N |
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| Automotive parts division | Direct Replacement |
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| Wheel diameter | 15 in |
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| Flotation tire | N |
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| Maximum vehicle rim width | 8.00 in |
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| Features | Fits Multiple Makes And models |
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| Items included | Tire Only |
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| Minimum vehicle rim width | 6.00 in |
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| Total count | 1 |
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| Vehicle class designator | P |
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| Tire location | Front and Rear Tires |
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| Tire diameter | 15 in |
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| Tire type | Passenger Car Tires |
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| Model | Proxes RR 255080 |
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| Maximum inflation pressure | 51 psi |
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| Tire aspect ratio | 50 |
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Specifications are as published by the manufacturer. Please confirm the size against the placard on your vehicle before ordering.
