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Michelin
Michelin Primacy 3 245/55R17 102W - 36368
Michelin Primacy 3 245/55R17 102W - 36368
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Looking for a 245/55R17 summer tire? The Michelin Primacy 3 is available now at ThreePiece.us with free shipping on every order and Affirm financing at checkout.
What 245/55R17 means
In the size 245/55R17, 245 is the section width in millimeters (9.65 in), 55 is the aspect ratio — the sidewall stands 55% as tall as the tire is wide, or 134.8 mm (5.31 in) — R denotes radial construction, and 17 is the wheel diameter in inches. That works out to an overall diameter of about 27.61 inches, turning roughly 730 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 102 — a maximum load of 1,874 lbs per tire. The speed symbol W corresponds to a maximum sustained speed of 168 mph.
Specifications
| Size | 245/55R17 |
| Tire Type | Summer |
| Service Description | 102W |
| Load Index | 102 |
| Speed Rating | W |
| Load Range | Standard Load |
| Section Width (mm) | 245 |
| Aspect Ratio | 55 |
| Overall Diameter (in) | 27.64 |
| Tread Depth (/32") | 9 |
| Treadwear | 240 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 240AA |
| Warranty | 35K |
Frequently asked questions
What kind of tire is the Michelin Primacy 3?
The Michelin Primacy 3 in 245/55R17 is a summer tire.
What are the treadwear and warranty ratings on the Michelin Primacy 3?
This tire carries a treadwear grade of 240, traction grade A, temperature grade A under UTQG. The manufacturer's warranty is 35K.
What does 102W mean on the Michelin Primacy 3?
102W breaks down as load index 102 — rated for 1,874 lbs per tire — with a W speed rating, good for a maximum sustained 168 mph.
Keep shopping
Browse Michelin tires, see every Michelin Primacy 3 size, or view all tires at ThreePiece.us.
- BRAND:
- Michelin
- Model:
- Primacy 3
- Size:
- 245/55R17
- Aspect Ratio:
- 55
- Load Index:
- 102
- Load Range:
- Standard Load
- Section Width:
- 245
- Service Description:
- 102W
- Speed Index:
- W
- Temperature:
- A
- Tire Rim Diameter:
- 27.64
- Tire Type:
- Summer
- Traction:
- A
- Tread Wear:
- 240
- Tread Depth:
- 9
- UQTG:
- 240AA
- Warranty:
- 35K
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