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Pirelli
Pirelli PIR PZero Rosso Asimmetrico 285/30ZR18
Pirelli PIR PZero Rosso Asimmetrico 285/30ZR18
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Shop the Pirelli PZero Rosso Asimmetrico 285/30R18 at ThreePiece.us — free shipping on every order, Affirm financing available, and fast delivery nationwide.
What 285/30R18 means
In the size 285/30R18, 285 is the section width in millimeters (11.22 in), 30 is the aspect ratio — the sidewall stands 30% as tall as the tire is wide, or 85.5 mm (3.37 in) — R denotes radial construction, and 18 is the wheel diameter in inches. That works out to an overall diameter of about 24.73 inches, turning roughly 815 revolutions per mile. Overall diameter is what matters for speedometer accuracy and clearance when you change sizes, so compare it — not just the width — against your current tire.
The manufacturer lists the overall diameter of this specific tire as 18 inches — when clearance is tight, go by the published figure rather than the nominal size math.
The service description on this tire decodes to a load index of 93 — a maximum load of 1,433 lbs per tire. The speed symbol Y corresponds to a maximum sustained speed of 186 mph.
Specifications
| Size | 285/30ZR18 |
| Tire Type | High Performance |
| Service Description | 93Y |
| Load Index | 93 |
| Speed Rating | Y |
| Load Range | SL |
| Section Width (mm) | 285 |
| Aspect Ratio | 30 |
| Overall Diameter (in) | 18 |
| Tread Depth (/32") | 9 |
| Treadwear | 220 |
| Traction Grade | AA |
| Temperature Grade | A |
| UTQG | 220AAA |
Frequently asked questions
What are the treadwear and warranty ratings on the Pirelli PZero Rosso Asimmetrico?
This tire carries a treadwear grade of 220, traction grade AA, temperature grade A under UTQG.
What does 93Y mean on the Pirelli PZero Rosso Asimmetrico?
93Y breaks down as load index 93 — rated for 1,433 lbs per tire — with a Y speed rating, good for a maximum sustained 186 mph.
What kind of tire is the Pirelli PZero Rosso Asimmetrico?
The Pirelli PZero Rosso Asimmetrico in 285/30R18 is a high performance tire.
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See every Pirelli PZero Rosso Asimmetrico size, or view all tires at ThreePiece.us.
- BRAND:
- Pirelli
- Model:
- PIR PZero Rosso Asimmetrico
- Size:
- 285/30ZR18
- Aspect Ratio:
- 30
- Load Index:
- 93
- Load Range:
- SL
- Section Width:
- 285
- Service Description:
- 93Y
- Speed Index:
- Y
- Temperature:
- A
- Tire Rim Diameter:
- 18
- Tire Type:
- High Performance
- Traction:
- AA
- Tread Wear:
- 220
- Tread Depth:
- 9
- UQTG:
- 220AAA
- Warranty:
- N/A
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