In the event the two cones with the pulley are much apart (if the diameter increases), the belt rides reduced inside the groove, plus the radius of the belt loop likely within the pulley gets smaller. In the event the cones are close alongside one another (if the diameter decreases), https://rylangheau.bloguerosa.com/33148277/the-smart-trick-of-gearbox-cvt-that-no-one-is-discussing