00:50Sporting Witness'Fast Freddie' Spencer - Motorcycling's Child ProdigyBBC World Service Duration: 9 minutes Wed 6th Sep 2017, 00:50 on BBC World Service AustralasiaAvailable for over a yearListen nowThe American motorbike rider who won his first world championship aged 21. Show more GenresSportFormatsDocumentariesBrandSporting Witness Source: BBC Online