Ventus S1 EVO Z K129
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Specifications
| Size | HL285/40ZR20 XL Ventus S1 Evo Z K129 (*) Oe |
|---|---|
| Width | 285 mm |
| Aspect ratio | 40 |
| Rim diameter | R20 |
| Load index | 111 |
| Speed rating | (Y) |
| Load range | HL/XL |
| Season | Summer |
|---|---|
| UTQG | 300 A A |
| Tread depth | 7.5/32" |
| Weight | 31.5 lbs |
| Max pressure | 50 psi |
| Severe snow (3PMSF) | No |
| Run-flat | No |
About the Hankook Ventus S1 EVO Z K129
Summer Ultra High Performance Original Equipment (OE) Passenger Car tire Specially Designed for High-End Sports Cars.
Features
* Asymmetric tread pattern design* Expanded shoulder width and center rib block* High-grip full-silica compound
Benefits
* Boosts grip power and cornering performance* For confident driving in dry and wet road conditions* Ensures powerful performance and superior handling
Understanding the HL285/40ZR20 XL size
In the size code 285/40R20, 285 is the section width in millimetres (about 11.2"). 40 is the aspect ratio — the sidewall height is 40% of the width, or roughly 114 mm. R20 means radial construction on a 20-inch wheel, giving an approximate overall diameter of 29".
The load index 111 means each tire supports up to 2,403 lbs — about 9,612 lbs across a full set of four. The speed symbol Y certifies the tire to 186 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 Hankook Ventus S1 EVO Z K129 is built for
The Hankook Ventus S1 EVO Z K129 is a summer tire, tuned for maximum dry and wet grip in warm conditions; it is not intended for near-freezing temperatures. Fitment category: Passenger Car, CAR, Performance, UHP.
Tread life and grip ratings
This tire carries a UTQG rating of 300 A A. The treadwear grade of 300 is a relative durability score — a grade of 200 is expected to last roughly twice as long as a grade of 100 under the same controlled test. Traction grade A measures straight-line wet stopping grip (AA is highest, then A, B and C). Temperature grade A reflects heat resistance at sustained speed (A is highest).
Price and value
At $473.99 per tire, a full set of four costs $1895.96. That is about 36% above the average of the 29 tires we stock in this size, reflecting its position in the range.
Frequently asked questions
What does the tire size 285/40R20 mean?
285 is the section width in millimetres, 40 is the aspect ratio (sidewall height as a percentage of width, about 114 mm), and R20 indicates radial construction for a 20-inch wheel. Overall diameter is approximately 29 inches.
What are the load and speed ratings of the Hankook Ventus S1 EVO Z K129 HL285/40ZR20 XL?
Its load index of 111 allows up to 2,403 lbs per tire. Its speed rating of Y is certified to 186 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 Hankook Ventus S1 EVO Z K129 HL285/40ZR20 XL tires cost?
A single tire is $473.99 and a set of four is $1895.96.
Can the Hankook Ventus S1 EVO Z K129 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 Ventus S1 EVO Z K129 come in other sizes?
Yes — we stock 13 additional Ventus S1 EVO Z K129 sizes besides HL285/40ZR20 XL. Fit only a size approved for your vehicle.