HowStuffWorks The variable-diameter pulleys are the heart of the CVT. Just about every pulley is crafted from two twenty-degree cones experiencing one another. A belt rides in the groove involving the two cones. Pulley-based CVTs are noted for their effectiveness and smoothness, toroidal CVTs for their high torque potential, https://garrettijhfc.amoblog.com/the-basic-principles-of-gearbox-cvt-54242059