Secondary Pulley: Linked to the wheels, this pulley performs alongside the main pulley to regulate energy shipping and delivery. The design principle dates again to before the 1930s, with the original style and design intended to convert rotary motion to oscillating movement and back to rotary motion applying roller clutches.[18] https://gearbox-cvt40616.nizarblog.com/34335222/5-essential-elements-for-gearbox-cvt