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Kumho
Kumho Ecsta V730 255/40R17XL 98W - 2271293
Kumho Ecsta V730 255/40R17XL 98W - 2271293
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The Kumho Ecsta V730 in 255/40R17 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.
What 255/40R17 means
In the size 255/40R17, 255 is the section width in millimeters (10.04 in), 40 is the aspect ratio — the sidewall stands 40% as tall as the tire is wide, or 102.0 mm (4.02 in) — R denotes radial construction, and 17 is the wheel diameter in inches. That works out to an overall diameter of about 25.03 inches, turning roughly 806 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 98 — a maximum load of 1,653 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 | 255/40R17XL |
| Tire Type | Summer |
| Service Description | 98W |
| Load Index | 98 |
| Speed Rating | W |
| Load Range | Extra Load |
| Section Width (mm) | 255 |
| Aspect Ratio | 40 |
| Overall Diameter (in) | 25 |
| Tread Depth (/32") | 8.5 |
| Treadwear | 200 |
| Traction Grade | AA |
| Temperature Grade | A |
| UTQG | 200AAA |
Frequently asked questions
What does 98W mean on the Kumho Ecsta V730?
98W breaks down as load index 98 — rated for 1,653 lbs per tire — with a W speed rating, good for a maximum sustained 168 mph.
What kind of tire is the Kumho Ecsta V730?
The Kumho Ecsta V730 in 255/40R17 is a summer tire.
What are the treadwear and warranty ratings on the Kumho Ecsta V730?
This tire carries a treadwear grade of 200, traction grade AA, temperature grade A under UTQG.
Keep shopping
Browse Kumho tires, see every Kumho Ecsta V730 size, or view all tires at ThreePiece.us.
- BRAND:
- Kumho
- Model:
- Ecsta V730
- Size:
- 255/40R17XL
- Aspect Ratio:
- 40
- Load Index:
- 98
- Load Range:
- Extra Load
- Section Width:
- 255
- Service Description:
- 98W
- Speed Index:
- W
- Temperature:
- A
- Tire Rim Diameter:
- 25
- Tire Type:
- Summer
- Traction:
- AA
- Tread Wear:
- 200
- Tread Depth:
- 8.5
- UQTG:
- 200AAA
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