He is famous Keirin rider that has participated in the 2000 Sydney Olympics games.
He becomes a Japanese champion of Keirin and has the title of a lot of races.
He acquired the bronze medal(tandem sprint:amateur) by world cycling championships that had been held in Japan in 1990.
His frame is very expensive and valuable. He is using the frame of other brands now. He had used KALAVINKA before.
His father also had a lot of big title with famous Keirin rider. (Already retired. )His younger brother is a strong rider of Keirin.
It is very lucky that you owned this frame. Moreover, it is a brand of NAGASAWA.
I am looking forward to the completion of your bike.
Let's me know your picture of NAGASAWA bike.
I only just read this, that's amazing, well done Tomity!