In between the discs are rollers, which vary the ratio and transfer energy from 1 facet to another. Once the rollers' axes are perpendicular on the axis from the discs, the helpful diameter is the same to the enter discs and the output discs, resulting in a one:one push ratio. https://shanecjjhd.ltfblog.com/32695831/getting-my-gearbox-cvt-to-work