Heart racing and adrenaline rushing, John steps on the bike's accelerator, it's going ten, fifteen, twenty miles an hour and the next thing you know, John is gone. The need for speed has always been in high demand. Fast cars, fast boats and the thrill of feeling the wind blowing through your hair are what transformed a simple bike into a heavenly creation. The average speed at neutral on a fourteen point three mile bicycle ride is between fifteen and seventeen miles per hour (“The Average Speed ​​Page”). When riding a motorized bicycle, the average would be twenty-five to thirty-five miles per hour. In America, motorized bicycles have gained enormous notoriety, even though motorized bicycles have been around for over a hundred years. Motorized bicycles have evolved over the years. There are now many different types of bikes, laws, emission standards, how one can choose to build that bike has changed over the years, but all still have the same basic maintenance requirements for keep it running. has been around since the early 1800s, but the motorized bicycle was created in the mid to late 1800s. The person credited with making the first motorized bicycle is Sylvester Howard Roper who made an unpowered steam engine on gasoline like the current modern version of the motorized bicycle (Licino). With new technology, motorized bicycles are not only built with motors, but they are now built with electric motors. The name of motorized bicycles has changed over the years since its inception, some call them power assisted bicycles, electric bicycles and many other names, but there are different types of motorized bicycles, they all fall under the category of motorized bicycles . A motorized bicycle is a standard bicycle equipped with a motor (Belfiore). Most people find middle of paper...... Mean Bikes and Tricycles. " San Francisco Examiner. September 19, 2009. Web. November 12, 2009. Licino, Hal. " The History of Motorized Bicycles " HubPages. Web. Nd November 25, 2009. " Laws on Motorized Scooters, Electric Bicycles and Bicycles pocket. " Urban Scooters. Web. Nd Nov 12, 2009. " Putting a Motor on a Bike Electric Bike Motor Kits and How to Build Buy and Buy. "Electric Bicycle Motor Kits - How to Build a Buy and Buy. March 30, 2009. Web. November 25, 2009. Russell, Lana. "Defining a Motorized Bicycle." EComment How to do just about everything | How to videos and articles. Np Web. November 25, 2009Smeaton, Helen. "Why ride an electric bike? Advantages of riding a motorized bike". Suite 101. June 22, 2009. Web. November 25, 2009. "The Average Speed ​​Page (How to Find Your Average Speed, What is a Good Average Speed?)" The Highway Cycling Group. Web. Sd November 25. 2009.