Counter steering is an amazing technique used by many bike riders, and is very useful when making a quick turn and doing some bike stunts like this.
source/image(PrtSc): Learn Engineering
At first, counter steering looks counter intuitive, you turn the handlebars to the left, but the motorcycle makes a quick right turn.What are the physics behind this strange phenomenon? Let’s explore./ Learn Engineering
Countersteering as a concept is simple: to initiate a turn, turn the handlebars and point the wheel opposite of where you wanna go. To negotiate a turn successfully, the combined center of mass of the rider and the single-track vehicle must first be leaned in the direction of the turn, and steering briefly in the opposite direction causes that lean.
The rider’s action of countersteering is sometimes referred to as “giving a steering command”.The scientific literature does not provide a clear and comprehensive definition of countersteering. In fact, “a proper distinction between steer torque and steer angle … is not always made.