A manual transmission needs the driving force to manually pick out the gears[6] by functioning a gear stick and clutch (which is frequently a foot pedal for cars and trucks or a hand lever for bikes). Spur and helical gears are Utilized in the sliding mesh gearbox to act. https://gearbox19641.yomoblog.com/40361273/gearbox-things-to-know-before-you-buy