The first clutch is an advanced kind of centrifugal clutch and is usually mounted into the output end in the engine crankshaft. The clutch has two sheave faces; one which is laterally fastened (stationary sheave), and one which can move in and out to engage the belt (moveable sheave). https://gearboxcvt66318.eedblog.com/32422653/gearbox-cvt-secrets