The first clutch is an advanced sort of centrifugal clutch and is often mounted to the output close with the engine crankshaft. The clutch has two sheave faces; one that is laterally fastened (stationary sheave), and one that can shift in and out to interact the belt (moveable sheave). https://gearboxcvt75206.sharebyblog.com/32224520/gearbox-cvt-things-to-know-before-you-buy