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Hankook
Hankook iON evo IK01 245/40R21XL 100Y - 1032085
Hankook iON evo IK01 245/40R21XL 100Y - 1032085
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Looking for a 245/40R21 summer tire? The Hankook iON evo IK01 is available now at ThreePiece.us with free shipping on every order and Affirm financing at checkout.
What 245/40R21 means
In the size 245/40R21, 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 21 is the wheel diameter in inches. That works out to an overall diameter of about 28.72 inches, turning roughly 702 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.
Load Range E corresponds to a 10-ply rating.
Specifications
| Size | 245/40R21XL |
| Tire Type | Summer |
| Service Description | 100Y |
| Load Index | 100 |
| Speed Rating | Y |
| Load Range | Extra Load |
| Section Width (mm) | 245 |
| Aspect Ratio | 40 |
| Overall Diameter (in) | 28.7 |
| Tread Depth (/32") | 8.5 |
| Treadwear | 320 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 320AA |
Frequently asked questions
What kind of tire is the Hankook iON evo IK01?
The Hankook iON evo IK01 in 245/40R21 is a summer tire.
What are the treadwear and warranty ratings on the Hankook iON evo IK01?
This tire carries a treadwear grade of 320, traction grade A, temperature grade A under UTQG.
What does 100Y mean on the Hankook iON evo IK01?
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.
Keep shopping
Browse Hankook tires, see every Hankook iON evo IK01 size, or view all tires at ThreePiece.us.
- BRAND:
- Hankook
- Model:
- iON evo IK01
- Size:
- 245/40R21XL
- Aspect Ratio:
- 40
- Load Index:
- 100
- Load Range:
- Extra Load
- Section Width:
- 245
- Service Description:
- 100Y
- Speed Index:
- Y
- Temperature:
- A
- Tire Rim Diameter:
- 28.7
- Tire Type:
- Summer
- Traction:
- A
- Tread Wear:
- 320
- Tread Depth:
- 8.5
- UQTG:
- 320AA
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