HowStuffWorks The variable-diameter pulleys are the heart of a CVT. Every single pulley is product of two twenty-degree cones facing one another. A belt rides from the groove among The 2 cones. The cones can move to increase or decreases the diameter on the belt to change gear ratios, https://gearbox-cvt19630.weblogco.com/32439512/not-known-factual-statements-about-cvt