[Summary] The original tires are too “hard”. Comparison with replacing Hankook soft tires.
AdelaideDolly 
9 
Hello, everyone. I am Grey Wolf Xiansen. The tire of the original car is equipped with Jiatong tire, the texture of the tire is hard, and the noise of the inner tire is obvious, but its biggest advantage is durability, and the tire wear is relatively longer, which is also very good. This time, the use time of the original tire is about the same. I also changed the tire ahead of time, which is also the “big” problem of changing the noise of the original car. Comprehensive comparison of the choice of the final replacement of Hantai this performance and low-noise comfortable tire, and it also has good handling, but also the drainage of our southern Rain Water weather. Next let’s take a look at the performance of this tire.
The model is Hantai Wantushi S2 AS H462 series tire.
Taking a look at the official radar chart, the H462 focuses on comfortable, quiet, high-performance tires. S2 has a great improvement over the previous generation S1, strengthening the control of drylands and wetlands, and reducing noise.
Hantai brand LOGO, made in China, is marked by its series H462 on the left.
The specifications of the tires used in our car are: 225ax 45 ZR18 95W Jill 225 for the cross-sectional width of the tire, 45 for the flat ratio of the tread, 18 inches for the diameter of our car wheels, 95 for the load index of 690kg, and W for the limit speed of 270KM/H.
The tire structure is composed of 2 layers of steel wire + 2 layers of polyester + 1 layer of nylon, and the side of the tire is composed of 2 layers of polyester.
The logo of the four seasons tire, which has the characteristics of summer tire, but also has some of the characteristics of winter tire, to achieve good performance in wear resistance, fuel economy, comfort, grip and so on.
There are four drain troughs, and it is said that the inner wall of the sink forms a smooth film on the inner surface of the tank through small particles to improve the effective drainage capacity. In particular, the thunderstorm weather in our southern region improves the safety of driving on rainy days.
Then look at the inner wall of the tire, inside the tire with artificial carcass line, good workmanship.
Take a group photo before changing.
Get ready to change jobs.
Standardize the operation procedure to replace the new tire.
Dynamic balancing must be done after each tire is replaced.
The dynamic balance board is pasted into the hub in a multiple of 5 according to the parameters given by the machine.
Attach and close the dynamic balance piece.
Four tires have been installed.
Isn’t it handsome to put on new shoes?
After the replacement, I would also like to know whether there has been any change. The road here is a closed section in the suburbs to ensure a safe road test. The temperature is 25 degrees, there is a breeze, there are very few vehicles driving around, and the speed increase of the road test vehicles is obviously better than before. The driving acceleration response is more timely, the tires firmly grasp the ground, and the tire noise is significantly reduced compared with the previous tires. (of course, this is also because of the new tires.)
The road surface is asphalted asphalt, and the braking effect of the vehicle is very linear.
On the same road section, the noise of the original tire is 71.6 at the speed of 60 hours (measurement data is made before replacement), and the test value of Hantai is 62.1, which significantly reduces the tire noise in the car.
The small box in the lower right corner is the original tire noise value, the original tire noise is 75.9 at 80 speed, and the Hantai value is 70.3. (not professional measurement, for reference only)
This time the replacement tire, no matter in the quiet comfort, there is a good grip, acceleration is also obvious, as well as the buffer feedback of the shock absorber belt, all have a great improvement with the previous tire, especially its noise reduction effect is very obvious compared with the original tire, this time the tire change is very satisfactory.
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