CVT gearboxes can produce a droning sound that retains regular, rather than growing or decreasing with motor speed. This can be a little disconcerting for a few motorists, and takes some receiving used to. Main Pulley: Linked to the engine, this pulley improvements dimension given that the engine’s speed boosts. https://gearboxcvt43074.dailyblogzz.com/34738450/a-secret-weapon-for-gearbox-cvt