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Pirelli
Pirelli PIR Scorpion Zero All Season 255/50R20XL
Pirelli PIR Scorpion Zero All Season 255/50R20XL
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Looking for a 255/50R20 high performance tire? The Pirelli Scorpion Zero All Season is available now at ThreePiece.us with free shipping on every order and Affirm financing at checkout.
What 255/50R20 means
In the size 255/50R20, 255 is the section width in millimeters (10.04 in), 50 is the aspect ratio — the sidewall stands 50% as tall as the tire is wide, or 127.5 mm (5.02 in) — R denotes radial construction, and 20 is the wheel diameter in inches. That works out to an overall diameter of about 30.04 inches, turning roughly 671 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 20 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 109 — a maximum load of 2,271 lbs per tire. The speed symbol W corresponds to a maximum sustained speed of 168 mph.
Specifications
| Size | 255/50R20xL |
| Tire Type | High Performance |
| Service Description | 109W |
| Load Index | 109 |
| Speed Rating | W |
| Load Range | XL |
| Section Width (mm) | 255 |
| Aspect Ratio | 50 |
| Overall Diameter (in) | 20 |
| Tread Depth (/32") | 9 |
| Treadwear | 500 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 500AA |
Frequently asked questions
What kind of tire is the Pirelli Scorpion Zero All Season?
The Pirelli Scorpion Zero All Season in 255/50R20 is a high performance tire.
What are the treadwear and warranty ratings on the Pirelli Scorpion Zero All Season?
This tire carries a treadwear grade of 500, traction grade A, temperature grade A under UTQG.
What does 109W mean on the Pirelli Scorpion Zero All Season?
109W breaks down as load index 109 — rated for 2,271 lbs per tire — with a W speed rating, good for a maximum sustained 168 mph.
Keep shopping
Shop all 255/50R20 tires, see every Pirelli Scorpion Zero All Season size, or view all tires at ThreePiece.us.
- BRAND:
- Pirelli
- Model:
- PIR Scorpion Zero All Season
- Size:
- 255/50R20xL
- Aspect Ratio:
- 50
- Load Index:
- 109
- Load Range:
- XL
- Section Width:
- 255
- Service Description:
- 109W
- Speed Index:
- W
- Temperature:
- A
- Tire Rim Diameter:
- 20
- Tire Type:
- High Performance
- Traction:
- A
- Tread Wear:
- 500
- Tread Depth:
- 9
- UQTG:
- 500AA
- Warranty:
- N/A
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