[3] The V-belt has to be really stiff during the pulley's axial way to help make only shorter radial actions when sliding out and in on the pulleys. DAF's Variomatic set the template for CVT containers, and all variations on give today operate along comparable lines. Primary and Secondary Pulleys: https://fernandodxkwi.blogchaat.com/32752214/an-unbiased-view-of-gearbox-cvt