Frenchman François Gissy has laid claim to a new land speed record using a rocket-powered bicycle. Yes, you read that right. A rocket-powered bicycle. Gissy and his bicycle managed to hit a mind ...

To pedal the bicycle to such a high speed, Donhou also needs the correct gearing to get him there. The huge 104-tooth chain ring connected to a 13-tooth sprocket should suffice, as he proved with ...

on a bicycle. The remarkable speed means the 45-year-old not only smashed her own world record, but the long-standing men's one as well. Her reaction? Somewhat understated. "It was a crazy wild ...