A custom world indispensable for talking about motorcycle culture. The way to express his own world in one motorcycle is recognized as art no longer. In one motorcycle, fans all over the world are paying attention to "a work that exists only in the world" which has various cultures dropped by their own sense, ranging from their own metalwork, paint and design . In this book, we will focus on Japanese builders who are proud of the world and introduce not only works but also factories and their figures with beautiful pictures boldly composed.