When a motorcyclist sits down and leans forward, it is commonly referred to as "sportbike riding position" or "sportbike tuck." This riding position is characteristic of sport or supersport motorcycles, which are designed for high-performance riding and cornering at higher speeds.
The sportbike riding position involves the rider leaning forward with the upper body and torso inclined toward the handlebars. The feet are positioned on the footpegs towards the rear of the motorcycle, and the knees are usually bent and gripping the fuel tank or the sides of the motorcycle.
This forward-leaning position serves several purposes. First, it helps to reduce wind resistance and improve aerodynamics, allowing the rider to achieve higher speeds with better stability. It also shifts the rider's weight forward, increasing the front tire's grip on the road during aggressive cornering. By lowering the rider's center of gravity, it enhances control and maneuverability.
It's important to note that this riding position is typically associated with sport-oriented motorcycles and riders who prioritize performance. Other types of motorcycles, such as cruisers or touring bikes, often have more relaxed riding positions that prioritize comfort and long-distance riding.