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Cooper
Cooper Discoverer Road Trail AT 265/60R18 114H - 171286049
Cooper Discoverer Road Trail AT 265/60R18 114H - 171286049
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Shop the Cooper Discoverer Road Trail AT 265/60R18 at ThreePiece.us — free shipping on every order, Affirm financing available, and fast delivery nationwide.
What 265/60R18 means
In the size 265/60R18, 265 is the section width in millimeters (10.43 in), 60 is the aspect ratio — the sidewall stands 60% as tall as the tire is wide, or 159.0 mm (6.26 in) — R denotes radial construction, and 18 is the wheel diameter in inches. That works out to an overall diameter of about 30.52 inches, turning roughly 661 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 114 — a maximum load of 2,601 lbs per tire. The speed symbol H corresponds to a maximum sustained speed of 130 mph.
Load Range E corresponds to a 10-ply rating.
Specifications
| Size | 265/60R18 |
| Tire Type | All Season |
| Service Description | 114H |
| Load Index | 114 |
| Speed Rating | H |
| Load Range | Extra Load |
| Section Width (mm) | 265 |
| Aspect Ratio | 60 |
| Overall Diameter (in) | 30.51 |
| Tread Depth (/32") | 12 |
| Treadwear | 620 |
| Traction Grade | A |
| Temperature Grade | B |
| UTQG | 620AB |
| Warranty | 65K |
Frequently asked questions
What are the treadwear and warranty ratings on the Cooper Discoverer Road Trail AT?
This tire carries a treadwear grade of 620, traction grade A, temperature grade B under UTQG. The manufacturer's warranty is 65K.
What does 114H mean on the Cooper Discoverer Road Trail AT?
114H breaks down as load index 114 — rated for 2,601 lbs per tire — with an H speed rating, good for a maximum sustained 130 mph.
What kind of tire is the Cooper Discoverer Road Trail AT?
The Cooper Discoverer Road Trail AT in 265/60R18 is a all season tire.
Keep shopping
Shop all 265/60R18 tires, browse Cooper tires, see every Cooper Discoverer Road Trail AT size, or view all tires at ThreePiece.us.
- BRAND:
- Cooper
- Model:
- Discoverer Road Trail AT
- Size:
- 265/60R18
- Aspect Ratio:
- 60
- Load Index:
- 114
- Load Range:
- Extra Load
- Section Width:
- 265
- Service Description:
- 114H
- Speed Index:
- H
- Temperature:
- B
- Tire Rim Diameter:
- 30.51
- Tire Type:
- All Season
- Traction:
- A
- Tread Wear:
- 620
- Tread Depth:
- 12
- UQTG:
- 620AB
- Warranty:
- 65K
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