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Hercules
Hercules HER Roadtour 855 SPE 215/45R17XL
Hercules HER Roadtour 855 SPE 215/45R17XL
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The Hercules Roadtour 855 SPE in 215/45R17 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.
What 215/45R17 means
In the size 215/45R17, 215 is the section width in millimeters (8.46 in), 45 is the aspect ratio — the sidewall stands 45% as tall as the tire is wide, or 96.8 mm (3.81 in) — R denotes radial construction, and 17 is the wheel diameter in inches. That works out to an overall diameter of about 24.62 inches, turning roughly 819 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 91 — a maximum load of 1,356 lbs per tire. The speed symbol V corresponds to a maximum sustained speed of 149 mph.
Specifications
| Size | 215/45R17XL |
| Tire Type | Touring |
| Service Description | 91V |
| Load Index | 91 |
| Speed Rating | V |
| Load Range | XL |
| Section Width (mm) | 215 |
| Aspect Ratio | 45 |
| Overall Diameter (in) | 24.69 |
| Tread Depth (/32") | 11 |
| Treadwear | 580 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 580AA |
| Warranty | 70K |
Frequently asked questions
What does 91V mean on the Hercules Roadtour 855 SPE?
91V breaks down as load index 91 — rated for 1,356 lbs per tire — with a V speed rating, good for a maximum sustained 149 mph.
What kind of tire is the Hercules Roadtour 855 SPE?
The Hercules Roadtour 855 SPE in 215/45R17 is a touring tire.
What are the treadwear and warranty ratings on the Hercules Roadtour 855 SPE?
This tire carries a treadwear grade of 580, traction grade A, temperature grade A under UTQG. The manufacturer's warranty is 70K.
Keep shopping
Shop all 215/45R17 tires, see every Hercules Roadtour 855 SPE size, or view all tires at ThreePiece.us.
- Brand:
- Hercules
- Model:
- HER Roadtour 855 SPE
- Size:
- 215/45R17XL
- Aspect Ratio:
- 45
- Load Index:
- 91
- Load Range:
- XL
- Section Width:
- 215
- Service Description:
- 91V
- Speed Index:
- V
- Temperature:
- A
- Tire Rim Diameter:
- 24.69
- Tire Type:
- Touring
- Traction:
- A
- Tread Wear:
- 580
- Tread Depth:
- 11
- UQTG:
- 580AA
- Warranty:
- 70K
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