What brand of tire is treadwear?
1 Answers
treadwear is not a tire brand, it is a parameter of a tire that indicates the tire's wear resistance. Tires are an important component of a car, and they are the only part of the car that comes into contact with the ground. This component is crucial for the vehicle's driving stability and safety. Tires are generally composed of three parts: the outer tire, the inner tube, and the bead. The inner layer of the tire has a rubber layer with excellent airtightness, gradually moving towards lighter weight. The outer tire mainly consists of the carcass buffer, tread, sidewall, and bead, with the carcass and bead forming the force-bearing structure of the car's pneumatic tire. Tires are rubber products, and rubber products will age over time, so tires need to be replaced periodically. Under normal circumstances, tires installed on a car can be used for four years, so it is recommended to replace them every four years. When purchasing new tires, it is essential to check the production date of the tire because tires also have a shelf life. The shelf life of unused tires is three years; if they have been in storage for more than three years, they should not be purchased. After installing new tires, it is necessary to perform a dynamic balance test on each wheel; otherwise, abnormal vibrations may occur during high-speed driving. If abnormal vibrations occur during high-speed driving, it can affect the car's handling and comfort. During regular use, it is important to frequently check the tire pressure, which should not be too high or too low. If the pressure is too high, it can reduce the tire's grip; if the pressure is too low, the tire may experience wave deformation during high-speed driving, which can also shorten the tire's lifespan. Tire wear resistance parameters: Treadwear (wear index) is represented by a number, with a higher number indicating better wear resistance. However, a lower number indicates better grip, which is why some high-performance tires have a wear index around 200, while family car tires have a wear index of 300 or even higher. Temperature (temperature index) represents the tire's resistance to high temperatures, with A being the highest. It is recommended not to choose a grade lower than B. Traction (traction index) represents the tire's grip level, with grades such as AA, A, B, and C, where AA is the highest level. In addition to the model, tires also have the following common markings: Carcass ply material: indicated by Chinese pinyin, such as M for cotton ply, R for rayon ply, N for nylon ply, G for steel ply, and ZG for steel radial ply tires. Speed rating: indicates the maximum speed at which the tire can carry a specified load under specified conditions. Letters from A to Z represent certified speed ratings from 4.8 km/h to 300 km/h. Common speed ratings include: Q: 160 km/h; H: 210 km/h; V: 240 km/h; W: 270 km/h; Y: 300 km/h. Rim specification: indicates the rim size compatible with the tire for practical use, such as standard rim 5.00F.