HowStuffWorks The variable-diameter pulleys are the heart of the CVT. Each individual pulley is crafted from two 20-degree cones struggling with one another. A belt rides inside the groove among the two cones. Pulley-based CVTs are known for their performance and smoothness, toroidal CVTs for their superior torque ability, https://cvt86429.bloggosite.com/39087026/indicators-on-gearbox-cvt-you-should-know