1.Ball differential [The straight shaft effect and the differential effect can be switched by the middle screw tightening. If you loosen a little, then the limited slip effect will be achieved. It is not easy to sweep the teeth, steel teeth, and violent player benefits]
2.Equipped with eight differential washers, you can adjust the gap between the left and right teeth of the gears, and adjust to the smoothness of the whole car.
3. Upgrade this metal ball differential in our shop. If your front and rear axle teeth are plastic, it is recommended to upgrade the metal and steel teeth together. It is more durable and super smooth.