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Nokian
Nokian Surpass AS01 245/50R18 100Y - T433047
Nokian Surpass AS01 245/50R18 100Y - T433047
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The Nokian Surpass AS01 in 245/50R18 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.
What 245/50R18 means
In the size 245/50R18, 245 is the section width in millimeters (9.65 in), 50 is the aspect ratio — the sidewall stands 50% as tall as the tire is wide, or 122.5 mm (4.82 in) — R denotes radial construction, and 18 is the wheel diameter in inches. That works out to an overall diameter of about 27.65 inches, turning roughly 730 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 100 — a maximum load of 1,764 lbs per tire. The speed symbol Y corresponds to a maximum sustained speed of 186 mph.
Specifications
| Size | 245/50R18 |
| Tire Type | All Season |
| Service Description | 100Y |
| Load Index | 100 |
| Speed Rating | Y |
| Load Range | Standard Load |
| Section Width (mm) | 245 |
| Aspect Ratio | 50 |
| Overall Diameter (in) | 27.7 |
| Tread Depth (/32") | 10 |
| Warranty | 55K |
Frequently asked questions
What does 100Y mean on the Nokian Surpass AS01?
100Y breaks down as load index 100 — rated for 1,764 lbs per tire — with a Y speed rating, good for a maximum sustained 186 mph.
What kind of tire is the Nokian Surpass AS01?
The Nokian Surpass AS01 in 245/50R18 is a all season tire.
What warranty does the Nokian Surpass AS01 carry?
The manufacturer's warranty on this tire is 55K.
Keep shopping
Shop all 245/50R18 tires, browse Nokian tires, see every Nokian Surpass AS01 size, or view all tires at ThreePiece.us.
- BRAND:
- Nokian
- Model:
- Surpass AS01
- Size:
- 245/50R18
- Aspect Ratio:
- 50
- Load Index:
- 100
- Load Range:
- Standard Load
- Section Width:
- 245
- Service Description:
- 100Y
- Speed Index:
- Y
- Tire Rim Diameter:
- 27.7
- Tire Type:
- All Season
- Tread Depth:
- 10
- Warranty:
- 55K
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