Biker Touching Top Speed

Most Cars and bikes have a speedometer upto an extent where nobody can go, and neither has gone. Sports bike have them higher to about 350 KMPH. How many time have you ever come near to 300 ? I believe very rarely. In the below video a driver touches the top speed on his bike 320 KMPH Approx.... Great and Must see.....
WARNING :- PLEASE DO NOT TRY THIS. RESULTS MIGHT BE DANGEROUS.