The main clutch is an advanced form of centrifugal clutch and is often mounted to your output conclusion on the engine crankshaft. The clutch has two sheave faces; one that is laterally preset (stationary sheave), and one which can transfer in and out to engage the belt (moveable sheave). https://gearboxcvt42963.blogsidea.com/38677598/5-simple-statements-about-cvt-explained