A mentor, a manager and the sensation of international Grand Prix racing in the late 1970s - this is the story of America's ‘King’ Kenny Roberts.

Kenny Roberts arrived on the GP scene after winning the American Grand National Championship two years in succession.

In his first year he won the 500cc World Championship - and then went on to make it a hat trick with overall victories in 1979 and 1980!

Action footage delivers the full story of a glittering racing career.