TIS RT1
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Specifications
| Size | LT275/70R18 E Tis RT1 |
|---|---|
| Width | 275 mm |
| Aspect ratio | 70 |
| Rim diameter | R18 |
| Load index | 125/122 |
| Speed rating | R |
| Ply rating | 10 |
| Season | Summer |
|---|---|
| Treadwear warranty | 55,000 miles |
| Tread depth | 16.4/32" |
| Weight | 58.5 lbs |
| Max pressure | 80 psi |
| Severe snow (3PMSF) | No |
| Run-flat | No |
About the Hercules TIS RT1
All-Season Rugged-Terrain Passenger Light Truck/SUV tire Combining the Extreme Off-Road Traction of a Mud-Terrain tire with the On-Road Traction and Comfort of an All-Terrain tire. Created in Collaboration with TIS Offroad® with Dual Sidewall Design.
Features
* Noise reducing technology* Scalloped shoulder lugs and wide open grooves* Larger contact patch* Strategic tread pattern* Aggressive tread pattern and extra siping* Dual sidewall design* 55,000 Mile/88,000 Km Limited Treadwear Warranty* Road Hazard Protection Program* Trust Our Ride Test Drive
Benefits
* Optimized tread design and strategic siping absorb road vibrations, minimizing noise for a smoother, quieter drive on highways and rough terrain* Provide biting traction while quickly expelling mud, keeping you in control on rugged and muddy trails* Improves braking, enhances stability and maximizes grip for extreme off-road traction and performance* Works to expel mud, dirt, rocks and water and provide excellent grip in hi/lo speed situations, while reducing irregular wear caused by rugged terrains* Deliver increased off-road stability, traction and grip across mud, rocks and snow* Bolstered sidewall not only protects the integrity of the tire but also provides customization for aesthetics or off-road performance enhancement
Understanding the LT275/70R18 E size
In the size code 275/70R18, 275 is the section width in millimetres (about 10.8"). 70 is the aspect ratio — the sidewall height is 70% of the width, or roughly 192.5 mm. R18 means radial construction on a 18-inch wheel, giving an approximate overall diameter of 33.2".
The load index 125 means each tire supports up to 3,638 lbs — about 14,552 lbs across a full set of four. The speed symbol R certifies the tire to 106 mph under its rated load. Always match or exceed the load index and speed rating listed on your vehicle's door-jamb placard.
What the Hercules TIS RT1 is built for
The Hercules TIS RT1 is a summer tire, tuned for maximum dry and wet grip in warm conditions; it is not intended for near-freezing temperatures. It is classified for rugged-terrain (r/t) (m/t & r/t - mainly lt specific) use.
Price and value
At $198.00 per tire, a full set of four costs $792.00. That is about 18% below the average price of the 105 tires we stock in this size. Backed by a 55,000-mile treadwear warranty, that works out to roughly $14.40 per 1,000 miles across the set.
Frequently asked questions
What does the tire size 275/70R18 mean?
275 is the section width in millimetres, 70 is the aspect ratio (sidewall height as a percentage of width, about 192.5 mm), and R18 indicates radial construction for a 18-inch wheel. Overall diameter is approximately 33.2 inches.
What are the load and speed ratings of the Hercules TIS RT1 LT275/70R18 E?
Its load index of 125 allows up to 3,638 lbs per tire. Its speed rating of R is certified to 106 mph. Check your door-jamb placard and do not fit a tire rated below the vehicle's requirement.
How much does a set of 4 Hercules TIS RT1 LT275/70R18 E tires cost?
A single tire is $198.00 and a set of four is $792.00, covered by a 55,000-mile treadwear warranty.
Can the Hercules TIS RT1 be used in winter?
No. This is a summer tire and it is not rated for severe snow service. Its compound stiffens as temperatures approach freezing, so fit winter or all-weather tires for cold-season driving.
Does the TIS RT1 come in other sizes?
Yes — we stock 31 additional TIS RT1 sizes besides LT275/70R18 E. Fit only a size approved for your vehicle.