[three] The V-belt has to be very stiff inside the pulley's axial route for making only quick radial movements although sliding in and out of the pulleys. Mechanism: It works by using a program of variable-diameter pulleys connected by a belt or chain, enabling for seamless adjustments in gear ratios. https://zionopnic.ltfblog.com/33112973/gearbox-cvt-an-overview