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Toyo
Toyo TOY Extensa HP II 235/55R17
Toyo TOY Extensa HP II 235/55R17
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The Toyo Extensa HP II in 235/55R17 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.
What 235/55R17 means
In the size 235/55R17, 235 is the section width in millimeters (9.25 in), 55 is the aspect ratio — the sidewall stands 55% as tall as the tire is wide, or 129.2 mm (5.09 in) — R denotes radial construction, and 17 is the wheel diameter in inches. That works out to an overall diameter of about 27.18 inches, turning roughly 742 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 17 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 V corresponds to a maximum sustained speed of 149 mph.
Specifications
| Size | 235/55R17 |
| Tire Type | High-Performance |
| Service Description | 99V |
| Load Index | 99 |
| Speed Rating | V |
| Load Range | SL |
| Section Width (mm) | 235 |
| Aspect Ratio | 55 |
| Overall Diameter (in) | 17 |
| Tread Depth (/32") | 9.4 |
| Treadwear | 500 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 500AA |
| Warranty | 45K |
Frequently asked questions
What does 99V mean on the Toyo Extensa HP II?
99V breaks down as load index 99 — rated for 1,709 lbs per tire — with a V speed rating, good for a maximum sustained 149 mph.
What kind of tire is the Toyo Extensa HP II?
The Toyo Extensa HP II in 235/55R17 is a high-performance tire.
What are the treadwear and warranty ratings on the Toyo Extensa HP II?
This tire carries a treadwear grade of 500, traction grade A, temperature grade A under UTQG. The manufacturer's warranty is 45K.
Keep shopping
Shop all 235/55R17 tires, see every Toyo Extensa HP II size, or view all tires at ThreePiece.us.
- BRAND:
- Toyo
- Model:
- TOY Extensa HP II
- Size:
- 235/55R17
- Aspect Ratio:
- 55
- Load Index:
- 99
- Load Range:
- SL
- Section Width:
- 235
- Service Description:
- 99V
- Speed Index:
- V
- Temperature:
- A
- Tire Rim Diameter:
- 17
- Tire Type:
- High-Performance
- Traction:
- A
- Tread Wear:
- 500
- Tread Depth:
- 9.4
- UQTG:
- 500AA
- Warranty:
- 45K
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