HowStuffWorks The variable-diameter pulleys are the guts of the CVT. Each pulley is made from two 20-degree cones experiencing each other. A belt rides within the groove involving the two cones. Amongst the discs are rollers, which vary the ratio and transfer energy from a single side to the opposite. https://stephenzqblu.blogginaway.com/33314499/indicators-on-gearbox-cvt-you-should-know