HowStuffWorks The variable-diameter pulleys are the heart of the CVT. Every pulley is manufactured from two 20-degree cones dealing with each other. A belt rides within the groove in between The 2 cones. Mercedes-Benz CLK automatic transmission Picture courtesy DaimlerChrysler ­Should you've read about the structure and function of https://lorenzouusrn.blogsvila.com/32465398/how-much-you-need-to-expect-you-ll-pay-for-a-good-gearbox-cvt