HowStuffWorks The variable-diameter pulleys are the center of a CVT. Each pulley is made from two twenty-degree cones dealing with each other. A belt rides within the groove among the two cones. Dutch carmaker DAF popularised the CVT with its range of town automobiles within the sixties and seventies https://gearboxcvt42074.bloggazza.com/31480134/the-basic-principles-of-gearbox-cvt