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Cooper
Cooper Discoverer Road Trail AT 285/45R22 114H - 171295049
Cooper Discoverer Road Trail AT 285/45R22 114H - 171295049
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The Cooper Discoverer Road Trail AT in 285/45R22 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.
What 285/45R22 means
In the size 285/45R22, 285 is the section width in millimeters (11.22 in), 45 is the aspect ratio — the sidewall stands 45% as tall as the tire is wide, or 128.2 mm (5.05 in) — R denotes radial construction, and 22 is the wheel diameter in inches. That works out to an overall diameter of about 32.10 inches, turning roughly 628 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 | 285/45R22 |
| Tire Type | All Season |
| Service Description | 114H |
| Load Index | 114 |
| Speed Rating | H |
| Load Range | Extra Load |
| Section Width (mm) | 285 |
| Aspect Ratio | 45 |
| Overall Diameter (in) | 32.24 |
| Tread Depth (/32") | 12 |
| Treadwear | 620 |
| Traction Grade | A |
| Temperature Grade | B |
| UTQG | 620AB |
| Warranty | 65K |
Frequently asked questions
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 285/45R22 is a all season tire.
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.
Keep shopping
Shop all 285/45R22 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:
- 285/45R22
- Aspect Ratio:
- 45
- Load Index:
- 114
- Load Range:
- Extra Load
- Section Width:
- 285
- Service Description:
- 114H
- Speed Index:
- H
- Temperature:
- B
- Tire Rim Diameter:
- 32.24
- Tire Type:
- All Season
- Traction:
- A
- Tread Wear:
- 620
- Tread Depth:
- 12
- UQTG:
- 620AB
- Warranty:
- 65K
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