10:50Sporting WitnessJapan's Keirin cycling phenomenonBBC World Service Duration: 9 minutes Thu 7th Oct 2021, 10:50 on BBC World Service OnlineAvailable for over a yearListen nowHow the uniquely Japanese track cycling event made its Olympic debut in 2000. Show more GenresSportFormatsMagazines & ReviewsBrandSporting Witness Source: BBC Online