The Toyo Proxes R888R in size 205/50ZR15 is a race-bred competition tire for track days, drag racing and competition use. Sold and shipped by BMD Tires.
Key Features
- Competition-focused construction developed for motorsport use
- Purpose-built compound prioritises grip over tread life
- Designed for closed-course and competition environments
- Confirm class and event regulations before use
Specifications
| Brand | Toyo |
|---|---|
| Model | Proxes R888R |
| Tire Size | 205/50ZR15 |
| Section Width | 205 mm |
| Aspect Ratio | 50% |
| Rim Diameter | 15 in |
| Load Index | 89 |
| Speed Rating | W (up to 168 mph) |
| Load Range | Extra Load (XL) |
| Season | Summer |
| Vehicle Type | Track / Competition |
| SKU | DJSM_107710 |
Frequently Asked Questions
What does 205/50ZR15 mean?
205 is the section width in millimetres, 50 is the aspect ratio (sidewall height as a percentage of the width), R indicates radial construction and 15 is the rim diameter in inches.
What do the numbers 89W mean?
89 is the load index, which corresponds to the maximum load each tire is rated to carry, and W is the speed rating, rated up to 168 mph. Always match or exceed the load index and speed rating printed on your vehicle placard.
What does Extra Load (XL) mean?
Extra Load tires can carry more weight than a standard load tire of the same size when inflated to their higher maximum pressure.
Is this the right tire for my driving?
This model is designed for track days, drag racing and competition use. If you are unsure, check your vehicle placard for the correct size, load index and speed rating before ordering.


