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Cooper Tires
Cooper Tires COO Discoverer Enduramax 225/55R17
Cooper Tires COO Discoverer Enduramax 225/55R17
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The Cooper Tires Discoverer Enduramax in 225/55R17 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.
What 225/55R17 means
In the size 225/55R17, 225 is the section width in millimeters (8.86 in), 55 is the aspect ratio — the sidewall stands 55% as tall as the tire is wide, or 123.8 mm (4.87 in) — R denotes radial construction, and 17 is the wheel diameter in inches. That works out to an overall diameter of about 26.74 inches, turning roughly 754 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 97 — a maximum load of 1,609 lbs per tire. The speed symbol H corresponds to a maximum sustained speed of 130 mph.
Specifications
| Size | 225/55R17 |
| Tire Type | Touring |
| Service Description | 97H |
| Load Index | 97 |
| Speed Rating | H |
| Load Range | SL |
| Section Width (mm) | 225 |
| Aspect Ratio | 55 |
| Overall Diameter (in) | 26.77 |
| Tread Depth (/32") | 10.5 |
| Treadwear | 640 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 640AA |
| Warranty | 60K |
Frequently asked questions
What does 97H mean on the Cooper Tires Discoverer Enduramax?
97H breaks down as load index 97 — rated for 1,609 lbs per tire — with an H speed rating, good for a maximum sustained 130 mph.
What kind of tire is the Cooper Tires Discoverer Enduramax?
The Cooper Tires Discoverer Enduramax in 225/55R17 is a touring tire.
What are the treadwear and warranty ratings on the Cooper Tires Discoverer Enduramax?
This tire carries a treadwear grade of 640, traction grade A, temperature grade A under UTQG. The manufacturer's warranty is 60K.
Keep shopping
Shop all 225/55R17 tires, see every Cooper Tires Discoverer Enduramax size, or view all tires at ThreePiece.us.
- BRAND:
- Cooper Tires
- Model:
- COO Discoverer Enduramax
- Size:
- 225/55R17
- Aspect Ratio:
- 55
- Load Index:
- 97
- Load Range:
- SL
- Section Width:
- 225
- Service Description:
- 97H
- Speed Index:
- H
- Temperature:
- A
- Tire Rim Diameter:
- 26.77
- Tire Type:
- Touring
- Traction:
- A
- Tread Wear:
- 640
- Tread Depth:
- 10.5
- UQTG:
- 640AA
- Warranty:
- 60K
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