A bicycle (or bike) is a small, human powered land vehicle with a seat, two wheels, two pedals, and a metal chain connected to cogs on the pedals and rear wheel. A frame gives the bike strength, and the other parts are attached to the frame.

Legal Status of Bicycle Riders in California In large part, the rights and responsibilities of a bicycle rider are the same as a motor vehicle driver. If you are riding on the street, motorists will treat you like a fellow driver. You must have safety features such as a helmet, lights, and reflectors.

The Bicycle as a symbol of progress, of renewal, of promising times ahead. This is not a new concept. Indeed it has been around since the invention of the bicycle. Many bicycle posters at end of the 19th century featured promising themes like liberation, progress, freedom.

bicycle, two-wheeled steerable machine that is pedaled by the rider's feet. On a standard bicycle the wheels are mounted in-line in a metal frame, with the front wheel held in a rotatable fork. The rider sits on a saddle and steers by leaning and turning handlebars that are attached to the fork.