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Westlake
Westlake WESTLAKE RP18 225/60R16
Westlake WESTLAKE RP18 225/60R16
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The Westlake RP18 in 225/60R16 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.
What 225/60R16 means
In the size 225/60R16, 225 is the section width in millimeters (8.86 in), 60 is the aspect ratio — the sidewall stands 60% as tall as the tire is wide, or 135.0 mm (5.31 in) — R denotes radial construction, and 16 is the wheel diameter in inches. That works out to an overall diameter of about 26.63 inches, turning roughly 757 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 16 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 98 — a maximum load of 1,653 lbs per tire. The speed symbol H corresponds to a maximum sustained speed of 130 mph.
Specifications
| Size | 225/60R16 |
| Tire Type | Touring |
| Service Description | 98H |
| Load Index | 98 |
| Speed Rating | H |
| Load Range | SL |
| Section Width (mm) | 225 |
| Aspect Ratio | 60 |
| Overall Diameter (in) | 16 |
| Tread Depth (/32") | 10 |
| Treadwear | 500 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 500AA |
| Warranty | 45K |
Frequently asked questions
What does 98H mean on the Westlake RP18?
98H breaks down as load index 98 — rated for 1,653 lbs per tire — with an H speed rating, good for a maximum sustained 130 mph.
What kind of tire is the Westlake RP18?
The Westlake RP18 in 225/60R16 is a touring tire.
What are the treadwear and warranty ratings on the Westlake RP18?
This tire carries a treadwear grade of 500, traction grade A, temperature grade A under UTQG. The manufacturer's warranty is 45K.
Keep shopping
Shop all 225/60R16 tires, see every Westlake RP18 size, or view all tires at ThreePiece.us.
- BRAND:
- Westlake
- Model:
- WESTLAKE RP18
- Size:
- 225/60R16
- Aspect Ratio:
- 60
- Load Index:
- 98
- Load Range:
- SL
- Section Width:
- 225
- Service Description:
- 98H
- Speed Index:
- H
- Temperature:
- A
- Tire Rim Diameter:
- 16
- Tire Type:
- Touring
- Traction:
- A
- Tread Wear:
- 500
- Tread Depth:
- 10
- UQTG:
- 500AA
- Warranty:
- 45K
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