Transmission Shaft The constant speed transmission shaft is composed of three major parts, which are an outer ball cage, an intermediate shaft and an inner ball cage.Back

Inner Ball Cage

The inner ball cage (also known as the moving section) is an important part of the car transmission system. Its role is to transfer the power of the engine from the transmission to the wheels on both sides, to achieve the change in the length and angle of the drive shaft, and drive the vehicle.