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American Roadstar
American Roadstar Pro AS 185/60R15
American Roadstar Pro AS 185/60R15
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Looking for a 185/60R15 tire? The American Roadstar Pro AS is available now at ThreePiece.us with free shipping on every order and Affirm financing at checkout.
What 185/60R15 means
In the size 185/60R15, 185 is the section width in millimeters (7.28 in), 60 is the aspect ratio — the sidewall stands 60% as tall as the tire is wide, or 111.0 mm (4.37 in) — R denotes radial construction, and 15 is the wheel diameter in inches. That works out to an overall diameter of about 23.74 inches, turning roughly 850 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 manufacturer lists the overall diameter of this specific tire as 15 inches — when clearance is tight, go by the published figure rather than the nominal size math.
The service description on this tire decodes to a load index of 84 — a maximum load of 1,102 lbs per tire. The speed symbol H corresponds to a maximum sustained speed of 130 mph.
Specifications
| Size | 185/60R15 |
| Service Description | 84H |
| Load Index | 84 |
| Speed Rating | H |
| Section Width (mm) | 185 |
| Aspect Ratio | 60 |
| Overall Diameter (in) | 15 |
| Treadwear | 500 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 500 A A |
Frequently asked questions
What are the treadwear and warranty ratings on the American Roadstar Pro AS?
This tire carries a treadwear grade of 500, traction grade A, temperature grade A under UTQG.
Will 185/60R15 tires fit my vehicle?
Check the size molded into your current tire's sidewall or the tire placard inside the driver's door jamb — if it reads 185/60R15, this tire matches your vehicle's fitment. If you're changing sizes, compare overall diameter to keep your speedometer and clearances right. See every 185/60R15 tire in stock to compare options.
What does 84H mean on the American Roadstar Pro AS?
84H breaks down as load index 84 — rated for 1,102 lbs per tire — with an H speed rating, good for a maximum sustained 130 mph.
Keep shopping
Shop all 185/60R15 tires, see every American Roadstar Pro AS size, or view all tires at ThreePiece.us.
- BRAND:
- American Roadstar
- Model:
- Pro AS
- Size:
- 185/60R15
- Aspect Ratio:
- 60
- Load Index:
- 84
- Load Range:
- N/A
- Section Width:
- 185
- Service Description:
- 84H
- Speed Index:
- H
- Temperature:
- A
- Tire Rim Diameter:
- 15
- Tire Type:
- N/A
- Traction:
- A
- Tread Wear:
- 500
- Max Load (LB):
- 1102.29
- UQTG:
- 500 A A
- Side Wall:
- N/A
- Warranty:
- N/A
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