Olympic icon Sir Chris Hoy heads to Japan, host of the 2021 Tokyo Games, to explore the phenomenon of the keirin, the most extreme and exciting event in track cycling. Show more
Discover 11,128,835 listings and 277,885 playable programmes from the BBC
Olympic icon Sir Chris Hoy heads to Japan, host of the 2021 Tokyo Games, to explore the phenomenon of the keirin, the most extreme and exciting event in track cycling. Show more