In the ever-changing world of Grand Prix motorcycling, even the minutest change to one of the 200mph projectiles can make the crucial difference between winning and losing.

Now this fascinating film takes you behind the scenes of the world championship to look at the technical developments that have altered the face of 500, 250 and 125cc racing.

Going Mat Oxley as he tests the best of the 1994 models including the winning bikes from each class.  Mick Doohan’s 500cc Honda (especially adapted to compensate for his serious leg injuries), Max Biaggi’s 250cc Aprilia and Kazoo Sakata’s 125cc factory Aprilia.  We also join the world’s best riders as they test their machines and reveal some of the secrets of their performance.