Indoor kart track; gears for rent. Open daily, Monday to Friday 14:00- 23:30, Saturday 10:00-23:30 and Sunday 10:00-21:30. Located at 2F Harbor Circuit, Chiba Sports Plaza, 13-26 Dezuminato, Chuo-ku, Chiba.
Manages facilities at Suzuka Circuit and Twin Ring Motegi, races, hotels and resort. Conducts safe riding and driving motorcycle lessons. Develops and designs rides. Tokyo office is located at 2-6-20 Yaesu, Chuo-ku.