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Nokian
Nokian Surpass AS01 275/45R21XL 110W - T433401
Nokian Surpass AS01 275/45R21XL 110W - T433401
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Shop the Nokian Surpass AS01 275/45R21 at ThreePiece.us — free shipping on every order, Affirm financing available, and fast delivery nationwide.
What 275/45R21 means
In the size 275/45R21, 275 is the section width in millimeters (10.83 in), 45 is the aspect ratio — the sidewall stands 45% as tall as the tire is wide, or 123.8 mm (4.87 in) — R denotes radial construction, and 21 is the wheel diameter in inches. That works out to an overall diameter of about 30.74 inches, turning roughly 656 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 110 — a maximum load of 2,337 lbs per tire. The speed symbol W corresponds to a maximum sustained speed of 168 mph.
Load Range E corresponds to a 10-ply rating.
Specifications
| Size | 275/45R21XL |
| Tire Type | All Season |
| Service Description | 110W |
| Load Index | 110 |
| Speed Rating | W |
| Load Range | Extra Load |
| Section Width (mm) | 275 |
| Aspect Ratio | 45 |
| Overall Diameter (in) | 30.7 |
| Tread Depth (/32") | 10 |
| Warranty | 55K |
Frequently asked questions
What warranty does the Nokian Surpass AS01 carry?
The manufacturer's warranty on this tire is 55K.
What does 110W mean on the Nokian Surpass AS01?
110W breaks down as load index 110 — rated for 2,337 lbs per tire — with a W speed rating, good for a maximum sustained 168 mph.
What kind of tire is the Nokian Surpass AS01?
The Nokian Surpass AS01 in 275/45R21 is a all season tire.
Keep shopping
Shop all 275/45R21 tires, browse Nokian tires, see every Nokian Surpass AS01 size, or view all tires at ThreePiece.us.
- BRAND:
- Nokian
- Model:
- Surpass AS01
- Size:
- 275/45R21XL
- Aspect Ratio:
- 45
- Load Index:
- 110
- Load Range:
- Extra Load
- Section Width:
- 275
- Service Description:
- 110W
- Speed Index:
- W
- Tire Rim Diameter:
- 30.7
- Tire Type:
- All Season
- Tread Depth:
- 10
- Warranty:
- 55K
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