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Hercules
Hercules TIS Offroad RT1 305/55R20 116Q - 98805
Hercules TIS Offroad RT1 305/55R20 116Q - 98805
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Shop the Hercules TIS Offroad RT1 305/55R20 at ThreePiece.us — free shipping on every order, Affirm financing available, and fast delivery nationwide.
What 305/55R20 means
In the size 305/55R20, 305 is the section width in millimeters (12.01 in), 55 is the aspect ratio — the sidewall stands 55% as tall as the tire is wide, or 167.8 mm (6.60 in) — R denotes radial construction, and 20 is the wheel diameter in inches. That works out to an overall diameter of about 33.21 inches, turning roughly 607 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 Q corresponds to a maximum sustained speed of 99 mph.
Specifications
| Size | 305/55R20 |
| Tire Type | All Season |
| Service Description | 116Q |
| Load Index | 116 |
| Speed Rating | Q |
| Load Range | Standard Load |
| Section Width (mm) | 305 |
| Aspect Ratio | 55 |
| Overall Diameter (in) | 33.2 |
| 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 116Q mean on the Hercules TIS Offroad RT1?
116Q breaks down as load index 116 — rated for 2,756 lbs per tire — with a Q speed rating, good for a maximum sustained 99 mph.
What kind of tire is the Hercules TIS Offroad RT1?
The Hercules TIS Offroad RT1 in 305/55R20 is a all season tire.
Keep shopping
Shop all 305/55R20 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:
- 305/55R20
- Aspect Ratio:
- 55
- Load Index:
- 116
- Load Range:
- Standard Load
- Section Width:
- 305
- Service Description:
- 116Q
- Speed Index:
- Q
- Temperature:
- B
- Tire Rim Diameter:
- 33.2
- Tire Type:
- All Season
- Traction:
- A
- Tread Wear:
- 600
- Tread Depth:
- 13.5
- UQTG:
- 600AB
- Warranty:
- 55K
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