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Cooper Tires
Cooper Tires COO Endeavor Plus 275/60R20
Cooper Tires COO Endeavor Plus 275/60R20
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Looking for a 275/60R20 touring tire? The Cooper Tires Endeavor Plus is available now at ThreePiece.us with free shipping on every order and Affirm financing at checkout.
What 275/60R20 means
In the size 275/60R20, 275 is the section width in millimeters (10.83 in), 60 is the aspect ratio — the sidewall stands 60% as tall as the tire is wide, or 165.0 mm (6.50 in) — R denotes radial construction, and 20 is the wheel diameter in inches. That works out to an overall diameter of about 32.99 inches, turning roughly 611 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 115 — a maximum load of 2,679 lbs per tire. The speed symbol H corresponds to a maximum sustained speed of 130 mph.
Specifications
| Size | 275/60R20 |
| Tire Type | Touring |
| Service Description | 115H |
| Load Index | 115 |
| Speed Rating | H |
| Load Range | SL |
| Section Width (mm) | 275 |
| Aspect Ratio | 60 |
| Overall Diameter (in) | 33.03 |
| Tread Depth (/32") | 11.5 |
| Treadwear | 680 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 680AA |
| Warranty | 65K |
Frequently asked questions
What kind of tire is the Cooper Tires Endeavor Plus?
The Cooper Tires Endeavor Plus in 275/60R20 is a touring tire.
What are the treadwear and warranty ratings on the Cooper Tires Endeavor Plus?
This tire carries a treadwear grade of 680, traction grade A, temperature grade A under UTQG. The manufacturer's warranty is 65K.
What does 115H mean on the Cooper Tires Endeavor Plus?
115H breaks down as load index 115 — rated for 2,679 lbs per tire — with an H speed rating, good for a maximum sustained 130 mph.
Keep shopping
Shop all 275/60R20 tires, see every Cooper Tires Endeavor Plus size, or view all tires at ThreePiece.us.
- BRAND:
- Cooper Tires
- Model:
- COO Endeavor Plus
- Size:
- 275/60R20
- Aspect Ratio:
- 60
- Load Index:
- 115
- Load Range:
- SL
- Section Width:
- 275
- Service Description:
- 115H
- Speed Index:
- H
- Temperature:
- A
- Tire Rim Diameter:
- 33.03
- Tire Type:
- Touring
- Traction:
- A
- Tread Wear:
- 680
- Tread Depth:
- 11.5
- UQTG:
- 680AA
- Warranty:
- 65K
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