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1. Rubber valve
As the most common material of the Tubeless Snap Tire Valve, the lower cost makes the rubber valve widely assembled on the original wheel rim, and the cost of future replacement is also very low. The price of 20 yuan/set (4) is in the three materials of the valve Is the cheapest. However, due to the inevitable aging of the rubber material, the valve body will gradually crack, deform and lose its elasticity. When the vehicle is running, the rubber valve will also deform due to the centrifugal force swinging back and forth, which will further promote the aging of the rubber.
2. Steel valve
In order to avoid the aging problem of rubber valves, metal valves are gradually appearing on the market, and steel valves are one of them. Due to the change of material, the price of steel valve is much higher than that of rubber valve. The price of a set is about 150 yuan, and the price of a single is about 50 yuan. The service life of the steel valve is two to three times that of the rubber valve. This is mainly due to the fact that the metal material is not easily oxidized, and the metal valve also has better air tightness. However, the weight of the steel valve is the heaviest among the three materials, and the total weight of the four steel valves reaches 150g. Taking into account the dynamic balance of the tires, after installing the steel valve, it is necessary to assemble more counterweights on the rim, which will increase the unsprung mass of the vehicle.
3. Aluminum valve
Aluminum valve is also a metal valve, its service life and air tightness are equivalent to steel valve, but the price has further risen, 200 yuan/set and 60 yuan/piece, mainly because aluminum alloy is heavier than steel Light, which is undoubtedly more beneficial to the dynamic balance of the wheels.
