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Falken
Falken Azenis FK520 225/45R17 91Y - 59001090
Falken Azenis FK520 225/45R17 91Y - 59001090
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Shop the Falken Azenis FK520 225/45R17 at ThreePiece.us — free shipping on every order, Affirm financing available, and fast delivery nationwide.
What 225/45R17 means
In the size 225/45R17, 225 is the section width in millimeters (8.86 in), 45 is the aspect ratio — the sidewall stands 45% as tall as the tire is wide, or 101.2 mm (3.99 in) — R denotes radial construction, and 17 is the wheel diameter in inches. That works out to an overall diameter of about 24.97 inches, turning roughly 808 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 91 — a maximum load of 1,356 lbs per tire. The speed symbol Y corresponds to a maximum sustained speed of 186 mph.
Specifications
| Size | 225/45R17 |
| Tire Type | Summer |
| Service Description | 91Y |
| Load Index | 91 |
| Speed Rating | Y |
| Load Range | SL |
| Section Width (mm) | 225 |
| Aspect Ratio | 45 |
| Overall Diameter (in) | 25.11 |
| Tread Depth (/32") | 9 |
| Treadwear | 300 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 300AA |
Frequently asked questions
What are the treadwear and warranty ratings on the Falken Azenis FK520?
This tire carries a treadwear grade of 300, traction grade A, temperature grade A under UTQG.
What does 91Y mean on the Falken Azenis FK520?
91Y breaks down as load index 91 — rated for 1,356 lbs per tire — with a Y speed rating, good for a maximum sustained 186 mph.
What kind of tire is the Falken Azenis FK520?
The Falken Azenis FK520 in 225/45R17 is a summer tire.
Keep shopping
Shop all 225/45R17 tires, browse Falken tires, see every Falken Azenis FK520 size, or view all tires at ThreePiece.us.
- BRAND:
- Falken
- Model:
- Azenis FK520
- Size:
- 225/45R17
- Aspect Ratio:
- 45
- Load Index:
- 91
- Load Range:
- SL
- Section Width:
- 225
- Service Description:
- 91Y
- Speed Index:
- Y
- Temperature:
- A
- Tire Rim Diameter:
- 25.11
- Tire Type:
- Summer
- Traction:
- A
- Tread Wear:
- 300
- Tread Depth:
- 9
- UQTG:
- 300AA
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