Proxes R888R
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Specifications
| Size | 205/50ZR17 Proxes R888R (Dot Approved) |
|---|---|
| Width | 205 mm |
| Aspect ratio | 50 |
| Rim diameter | R17 |
| Load index | 89 |
| Speed rating | W |
| Load range | SL |
| Season | Summer |
|---|---|
| UTQG | 100 AA A |
| Tread depth | 6.3/32" |
| Weight | 23.1 lbs |
| Max pressure | 51 psi |
| Severe snow (3PMSF) | No |
| Run-flat | No |
About the Toyo Proxes R888R
DOT Approved Competition tire. Recommended for Competition Events Only.
Features
* High grip race compound* Optimized contact patch* Large tread blocks on outside tread* Wide center rib* Water evacuation channel
Benefits
* Reaches optimal operating temperature quickly and provides consistent performance* Improves grip for excellent cornering performance* Maximizes lateral grip for improved cornering* Improves directional stability and precise steering response* Assists with wet traction
Understanding the 205/50ZR17 size
In the size code 205/50R17, 205 is the section width in millimetres (about 8.1"). 50 is the aspect ratio — the sidewall height is 50% of the width, or roughly 102.5 mm. R17 means radial construction on a 17-inch wheel, giving an approximate overall diameter of 25.1".
The load index 89 means each tire supports up to 1,279 lbs — about 5,116 lbs across a full set of four. The speed symbol W certifies the tire to 168 mph under its rated load. Always match or exceed the load index and speed rating listed on your vehicle's door-jamb placard.
What the Toyo Proxes R888R is built for
The Toyo Proxes R888R is a summer tire, tuned for maximum dry and wet grip in warm conditions; it is not intended for near-freezing temperatures. Fitment category: Passenger Car, CAR, Competition/Racing, Performance, UHP.
Tread life and grip ratings
This tire carries a UTQG rating of 100 AA A. The treadwear grade of 100 is a relative durability score — a grade of 200 is expected to last roughly twice as long as a grade of 100 under the same controlled test. Traction grade AA measures straight-line wet stopping grip (AA is highest, then A, B and C). Temperature grade A reflects heat resistance at sustained speed (A is highest).
Price and value
At $153.27 per tire, a full set of four costs $613.08. That is about 17% above the average of the 109 tires we stock in this size, reflecting its position in the range.
Frequently asked questions
What does the tire size 205/50R17 mean?
205 is the section width in millimetres, 50 is the aspect ratio (sidewall height as a percentage of width, about 102.5 mm), and R17 indicates radial construction for a 17-inch wheel. Overall diameter is approximately 25.1 inches.
What are the load and speed ratings of the Toyo Proxes R888R 205/50ZR17?
Its load index of 89 allows up to 1,279 lbs per tire. Its speed rating of W is certified to 168 mph. Check your door-jamb placard and do not fit a tire rated below the vehicle's requirement.
How much does a set of 4 Toyo Proxes R888R 205/50ZR17 tires cost?
A single tire is $153.27 and a set of four is $613.08.
Can the Toyo Proxes R888R be used in winter?
No. This is a summer tire and it is not rated for severe snow service. Its compound stiffens as temperatures approach freezing, so fit winter or all-weather tires for cold-season driving.
Does the Proxes R888R come in other sizes?
Yes — we stock 54 additional Proxes R888R sizes besides 205/50ZR17. Fit only a size approved for your vehicle.