The third wheel is what you see in between the center and the fourth wheel. This is responsible for heightening the gear ratio from 1 to 60. The ratio will depend on the speed of rotation of both the center and the fourth wheels.
Third Wheel
The third wheel is what you see in between the center and the fourth wheel. This is responsible for heightening the gear ratio from 1 to 60. The ratio will depend on the speed of rotation of both the center and the fourth wheels.
