At the same time when this input pulley(sheave) moves, feeding output pulley(sheave) also moves and will come nearer towards the mounted output pulley which in turn change the Component of v-shaped belt wrapped around the output pulleys in direction of the higher cross-sectional place in the output conical pulleys https://cvt96418.tblogz.com/the-fact-about-cvt-that-no-one-is-suggesting-46162031