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Ventus S1 EVO Z AS X H129A
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Specifications
| Size | 275/45ZR21 XL Ventus S1 Evo Z AS X |
|---|---|
| Width | 275 mm |
| Aspect ratio | 45 |
| Rim diameter | R21 |
| Load index | 110 |
| Speed rating | (Y) |
| Load range | XL |
| Season | All-Season |
|---|---|
| UTQG | 540 AA A |
| Treadwear warranty | 45,000 miles |
| Tread depth | 9/32" |
| Weight | 35 lbs |
| Max pressure | 50 psi |
| Severe snow (3PMSF) | No |
| Run-flat | No |
About the Hankook Ventus S1 EVO Z AS X H129A
All-Season Ultra High Performance Passenger SUV tire.
Features
* Engineered with motorsport technology* 3D sipes inside the main tread* High density sipe arrangement* Optimized groove design* Wide shoulder blocks* Optimized multi-pitch sequencing* M+S Rated* 45,000 Mile Treadwear Mileage Warranty
Benefits
* Provides ultimate handling at high-speeds* Increase block rigidity and provide outstanding grip performance on dry and wet roads, as well as light snow* For increased snow traction* Help maximize drainage performance and prevent hydroplaning on wet roads* For a quieter, more comfortable ride
Understanding the 275/45ZR21 XL size
In the size code 275/45R21, 275 is the section width in millimetres (about 10.8"). 45 is the aspect ratio — the sidewall height is 45% of the width, or roughly 123.8 mm. R21 means radial construction on a 21-inch wheel, giving an approximate overall diameter of 30.7".
The load index 110 means each tire supports up to 2,337 lbs — about 9,348 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 AS X H129A is built for
The Hankook Ventus S1 EVO Z AS X H129A is an all-season tire, balancing dry grip, wet traction and tread life across spring, summer and autumn conditions. It carries an M+S (mud and snow) marking for light winter service. Fitment category: Passenger Car, SUV/CUV.
Tread life and grip ratings
This tire carries a UTQG rating of 540 AA A. The treadwear grade of 540 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 AA 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 $236.99 per tire, a full set of four costs $947.96. That is about 24% below the average price of the 73 tires we stock in this size. Backed by a 45,000-mile treadwear warranty, that works out to roughly $21.07 per 1,000 miles across the set.
Frequently asked questions
What does the tire size 275/45R21 mean?
275 is the section width in millimetres, 45 is the aspect ratio (sidewall height as a percentage of width, about 123.8 mm), and R21 indicates radial construction for a 21-inch wheel. Overall diameter is approximately 30.7 inches.
What are the load and speed ratings of the Hankook Ventus S1 EVO Z AS X H129A 275/45ZR21 XL?
Its load index of 110 allows up to 2,337 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 AS X H129A 275/45ZR21 XL tires cost?
A single tire is $236.99 and a set of four is $947.96, covered by a 45,000-mile treadwear warranty.
Does the Ventus S1 EVO Z AS X H129A come in other sizes?
Yes — we stock 20 additional Ventus S1 EVO Z AS X H129A sizes besides 275/45ZR21 XL. Fit only a size approved for your vehicle.