if the car wants speed ratios, the feeding conical pulley (sheave) above the input shaft moves towards the fixed pulley which subsequently shifts the Component of v-formed belt wrapped in excess of the input pulleys in the direction of the higher cross-sectional A part of the conical enter pulleys. https://gearboxcvt98631.suomiblog.com/detailed-notes-on-gearbox-cvt-48015631