Concurrently when this enter pulley(sheave) moves, feeding output pulley(sheave) also moves and comes closer to your mounted output pulley which in turn change the A part of v-formed belt wrapped above the output pulleys towards the larger cross-sectional space in the output conical pulleys and desired torque ratios is attained. https://remingtonvwvtq.bcbloggers.com/31963375/everything-about-gearbox-cvt