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Hankook
Hankook iON evo AS IH01 245/40R20XL 99W - 1034367
Hankook iON evo AS IH01 245/40R20XL 99W - 1034367
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Shop the Hankook iON evo AS IH01 245/40R20 at ThreePiece.us — free shipping on every order, Affirm financing available, and fast delivery nationwide.
What 245/40R20 means
In the size 245/40R20, 245 is the section width in millimeters (9.65 in), 40 is the aspect ratio — the sidewall stands 40% as tall as the tire is wide, or 98.0 mm (3.86 in) — R denotes radial construction, and 20 is the wheel diameter in inches. That works out to an overall diameter of about 27.72 inches, turning roughly 728 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 27.4 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 99 — a maximum load of 1,709 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 | 245/40R20XL |
| Tire Type | All Season |
| Service Description | 99W |
| Load Index | 99 |
| Speed Rating | W |
| Load Range | Extra Load |
| Section Width (mm) | 245 |
| Aspect Ratio | 40 |
| Overall Diameter (in) | 27.4 |
| Tread Depth (/32") | 10 |
| Treadwear | 600 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 600AA |
| Warranty | 50K |
Frequently asked questions
What are the treadwear and warranty ratings on the Hankook iON evo AS IH01?
This tire carries a treadwear grade of 600, traction grade A, temperature grade A under UTQG. The manufacturer's warranty is 50K.
What does 99W mean on the Hankook iON evo AS IH01?
99W breaks down as load index 99 — rated for 1,709 lbs per tire — with a W speed rating, good for a maximum sustained 168 mph.
What kind of tire is the Hankook iON evo AS IH01?
The Hankook iON evo AS IH01 in 245/40R20 is a all season tire.
Keep shopping
Shop all 245/40R20 tires, browse Hankook tires, see every Hankook iON evo AS IH01 size, or view all tires at ThreePiece.us.
- BRAND:
- Hankook
- Model:
- iON evo AS IH01
- Size:
- 245/40R20XL
- Aspect Ratio:
- 40
- Load Index:
- 99
- Load Range:
- Extra Load
- Section Width:
- 245
- Service Description:
- 99W
- Speed Index:
- W
- Temperature:
- A
- Tire Rim Diameter:
- 27.4
- Tire Type:
- All Season
- Traction:
- A
- Tread Wear:
- 600
- Tread Depth:
- 10
- UQTG:
- 600AA
- Warranty:
- 50K
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