Between the discs are rollers, which change the ratio and transfer electricity from 1 side to the other. Once the rollers' axes are perpendicular on the axis with the discs, the powerful diameter is identical with the input discs and also the output discs, leading to a 1:one drive ratio. https://louishjhdz.shoutmyblog.com/32908891/the-smart-trick-of-gearbox-cvt-that-no-one-is-discussing