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Pirelli
Pirelli Scorpion MS 245/45R21XL 104V - 4120500
Pirelli Scorpion MS 245/45R21XL 104V - 4120500
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The Pirelli Scorpion MS in 245/45R21 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.
What 245/45R21 means
In the size 245/45R21, 245 is the section width in millimeters (9.65 in), 45 is the aspect ratio — the sidewall stands 45% as tall as the tire is wide, or 110.2 mm (4.34 in) — R denotes radial construction, and 21 is the wheel diameter in inches. That works out to an overall diameter of about 29.68 inches, turning roughly 679 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 service description on this tire decodes to a load index of 104 — a maximum load of 1,984 lbs per tire. The speed symbol V corresponds to a maximum sustained speed of 149 mph.
Load Range E corresponds to a 10-ply rating.
Specifications
| Size | 245/45R21XL |
| Tire Type | All Season |
| Service Description | 104V |
| Load Index | 104 |
| Speed Rating | V |
| Load Range | Extra Load |
| Section Width (mm) | 245 |
| Aspect Ratio | 45 |
| Overall Diameter (in) | 29.65 |
| Tread Depth (/32") | 10 |
| Treadwear | 500 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 500AA |
Frequently asked questions
What does 104V mean on the Pirelli Scorpion MS?
104V breaks down as load index 104 — rated for 1,984 lbs per tire — with a V speed rating, good for a maximum sustained 149 mph.
What kind of tire is the Pirelli Scorpion MS?
The Pirelli Scorpion MS in 245/45R21 is a all season tire.
What are the treadwear and warranty ratings on the Pirelli Scorpion MS?
This tire carries a treadwear grade of 500, traction grade A, temperature grade A under UTQG.
Keep shopping
Browse Pirelli tires, see every Pirelli Scorpion MS size, or view all tires at ThreePiece.us.
- BRAND:
- Pirelli
- Model:
- Scorpion MS
- Size:
- 245/45R21XL
- Aspect Ratio:
- 45
- Load Index:
- 104
- Load Range:
- Extra Load
- Section Width:
- 245
- Service Description:
- 104V
- Speed Index:
- V
- Temperature:
- A
- Tire Rim Diameter:
- 29.65
- Tire Type:
- All Season
- Traction:
- A
- Tread Wear:
- 500
- Tread Depth:
- 10
- UQTG:
- 500AA
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