A pinion is a little, round gear that cross sections with a bigger stuff (or other stuff parts) in a stuff framework. It

Gears Pinion systems is the steering system on many cars. The driver turns the steering wheel which rotates the gea

Also, it refers to the cylindrical gear that meshes with a rack in a rack-and-pinion mechanism which transforms rotation

Also, it refers to the cylindrical gear that meshes with a rack in a rack-and-pinion mechanism which transforms rot