If you're referring to a "ninja" as a rider who is skilled in sport riding or interested in the aesthetics and performance of a motorcycle, then there are several bikes that are often associated with the term. However, it's important to note that the term "ninja" is typically used to describe Kawasaki motorcycles with "Ninja" in their model name.
One popular choice for sport riding enthusiasts is the Kawasaki Ninja ZX-10R. It's a high-performance superbike known for its speed, agility, and track-oriented capabilities. The ZX-10R is equipped with advanced technology and features, making it suitable for experienced riders.
Another option is the Kawasaki Ninja ZX-6R, which is a middleweight sportbike that offers a combination of performance and maneuverability. It is often favored by riders who enjoy both track and street riding.
Ultimately, the best bike for a "ninja" depends on individual preferences, riding style, and experience level. It's important to consider factors such as power, handling, ergonomics, and intended usage when selecting a motorcycle. Additionally, it's advisable to test ride different models to determine which one suits you best.