I, Superbiker Day of Reckoning 2013 As reigning champion Tommy Hill was forced to defend his crown, ex Moto GP star Shane Shakey Byrne and Australian Josh Brookes were among those in hot pursuit, with additional competition from rising British star Alex Lowes Hang on tight as this turbo charged, pedal to the metal documentary throws you into an electrifying showdown in which the six racers had nothing to lose and everything to win