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Pirelli
Pirelli PIR Cinturato Weatheractive 235/50R18
Pirelli PIR Cinturato Weatheractive 235/50R18
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Shop the Pirelli Cinturato Weatheractive 235/50R18 at ThreePiece.us — free shipping on every order, Affirm financing available, and fast delivery nationwide.
What 235/50R18 means
In the size 235/50R18, 235 is the section width in millimeters (9.25 in), 50 is the aspect ratio — the sidewall stands 50% as tall as the tire is wide, or 117.5 mm (4.63 in) — R denotes radial construction, and 18 is the wheel diameter in inches. That works out to an overall diameter of about 27.25 inches, turning roughly 740 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 97 — a maximum load of 1,609 lbs per tire. The speed symbol H corresponds to a maximum sustained speed of 130 mph.
Specifications
| Size | 235/50R18 |
| Tire Type | Touring |
| Service Description | 97H |
| Load Index | 97 |
| Speed Rating | H |
| Load Range | SL |
| Section Width (mm) | 235 |
| Aspect Ratio | 50 |
| Overall Diameter (in) | 18 |
| Tread Depth (/32") | 12 |
| Treadwear | 700 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 700AA |
| Warranty | 60K |
Frequently asked questions
What are the treadwear and warranty ratings on the Pirelli Cinturato Weatheractive?
This tire carries a treadwear grade of 700, traction grade A, temperature grade A under UTQG. The manufacturer's warranty is 60K.
What does 97H mean on the Pirelli Cinturato Weatheractive?
97H breaks down as load index 97 — rated for 1,609 lbs per tire — with an H speed rating, good for a maximum sustained 130 mph.
What kind of tire is the Pirelli Cinturato Weatheractive?
The Pirelli Cinturato Weatheractive in 235/50R18 is a touring tire.
Keep shopping
Shop all 235/50R18 tires, see every Pirelli Cinturato Weatheractive size, or view all tires at ThreePiece.us.
- BRAND:
- Pirelli
- Model:
- PIR Cinturato Weatheractive
- Size:
- 235/50R18
- Aspect Ratio:
- 50
- Load Index:
- 97
- Load Range:
- SL
- Section Width:
- 235
- Service Description:
- 97H
- Speed Index:
- H
- Temperature:
- A
- Tire Rim Diameter:
- 18
- Tire Type:
- Touring
- Traction:
- A
- Tread Wear:
- 700
- Tread Depth:
- 12
- UQTG:
- 700AA
- Warranty:
- 60K
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