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Cooper
Cooper Discoverer Road Trail AT 275/55R20 117H - 171293049
Cooper Discoverer Road Trail AT 275/55R20 117H - 171293049
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Cooper
UPC:
00029142985761
Lease-to-own for as low as
/week
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Width:
11.20
(in)
Height:
31.89
(in)
Depth:
31.89
(in)
SKU:
171293049
|
$272.99
Lease-to-own for as low as
/week
Get Started
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Cooper Discoverer Road Trail AT 275/55R20 117H - 171293049
$272.99
Looking for a 275/55R20 all season tire? The Cooper Discoverer Road Trail AT is available now at ThreePiece.us with free shipping on every order and Affirm financing at checkout.
What 275/55R20 means
In the size 275/55R20, 275 is the section width in millimeters (10.83 in), 55 is the aspect ratio — the sidewall stands 55% as tall as the tire is wide, or 151.2 mm (5.95 in) — R denotes radial construction, and 20 is the wheel diameter in inches. That works out to an overall diameter of about 31.91 inches, turning roughly 632 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 117 — a maximum load of 2,833 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 | 275/55R20 |
| Tire Type | All Season |
| Service Description | 117H |
| Load Index | 117 |
| Speed Rating | H |
| Load Range | Extra Load |
| Section Width (mm) | 275 |
| Aspect Ratio | 55 |
| Overall Diameter (in) | 31.89 |
| Tread Depth (/32") | 12 |
| Treadwear | 620 |
| Traction Grade | A |
| Temperature Grade | B |
| UTQG | 620AB |
| Warranty | 65K |
Frequently asked questions
What kind of tire is the Cooper Discoverer Road Trail AT?
The Cooper Discoverer Road Trail AT in 275/55R20 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.
What does 117H mean on the Cooper Discoverer Road Trail AT?
117H breaks down as load index 117 — rated for 2,833 lbs per tire — with an H speed rating, good for a maximum sustained 130 mph.
Keep shopping
Shop all 275/55R20 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:
- 275/55R20
- Aspect Ratio:
- 55
- Load Index:
- 117
- Load Range:
- Extra Load
- Section Width:
- 275
- Service Description:
- 117H
- Speed Index:
- H
- Temperature:
- B
- Tire Rim Diameter:
- 31.89
- Tire Type:
- All Season
- Traction:
- A
- Tread Wear:
- 620
- Tread Depth:
- 12
- UQTG:
- 620AB
- Warranty:
- 65K
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