A handbook transmission involves the motive force to manually select the gears[6] by operating a gear adhere and clutch (which is frequently a foot pedal for cars and trucks or maybe a hand lever for bikes). Numerous early versions of these transmissions had been semi-automatic in operation, including Autostick, https://gearbox66702.bloggactivo.com/33083522/an-unbiased-view-of-gearbox