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Hercules
Hercules TIS Offroad RT1 275/65R18 116T - 98800
Hercules TIS Offroad RT1 275/65R18 116T - 98800
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Shop the Hercules TIS Offroad RT1 275/65R18 at ThreePiece.us — free shipping on every order, Affirm financing available, and fast delivery nationwide.
What 275/65R18 means
In the size 275/65R18, 275 is the section width in millimeters (10.83 in), 65 is the aspect ratio — the sidewall stands 65% as tall as the tire is wide, or 178.8 mm (7.04 in) — R denotes radial construction, and 18 is the wheel diameter in inches. That works out to an overall diameter of about 32.07 inches, turning roughly 629 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 116 — a maximum load of 2,756 lbs per tire. The speed symbol T corresponds to a maximum sustained speed of 118 mph.
Specifications
| Size | 275/65R18 |
| Tire Type | All Season |
| Service Description | 116T |
| Load Index | 116 |
| Speed Rating | T |
| Load Range | Standard Load |
| Section Width (mm) | 275 |
| Aspect Ratio | 65 |
| Overall Diameter (in) | 32.1 |
| Tread Depth (/32") | 13.5 |
| Treadwear | 600 |
| Traction Grade | A |
| Temperature Grade | B |
| UTQG | 600AB |
| Warranty | 55K |
Frequently asked questions
What are the treadwear and warranty ratings on the Hercules TIS Offroad RT1?
This tire carries a treadwear grade of 600, traction grade A, temperature grade B under UTQG. The manufacturer's warranty is 55K.
What does 116T mean on the Hercules TIS Offroad RT1?
116T breaks down as load index 116 — rated for 2,756 lbs per tire — with a T speed rating, good for a maximum sustained 118 mph.
What kind of tire is the Hercules TIS Offroad RT1?
The Hercules TIS Offroad RT1 in 275/65R18 is a all season tire.
Keep shopping
Shop all 275/65R18 tires, browse Hercules tires, see every Hercules TIS Offroad RT1 size, or view all tires at ThreePiece.us.
- BRAND:
- Hercules
- Model:
- TIS Offroad RT1
- Size:
- 275/65R18
- Aspect Ratio:
- 65
- Load Index:
- 116
- Load Range:
- Standard Load
- Section Width:
- 275
- Service Description:
- 116T
- Speed Index:
- T
- Temperature:
- B
- Tire Rim Diameter:
- 32.1
- Tire Type:
- All Season
- Traction:
- A
- Tread Wear:
- 600
- Tread Depth:
- 13.5
- UQTG:
- 600AB
- Warranty:
- 55K
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