"A bicycle, also called a pedal cycle, bike, push-bike or cycle..."
A pedal-driven vehicle used for transportation on roads.
Bicycle Anatomy: Learn the parts of a bicycle and their functions. This includes the frame, wheels, handlebars, brakes, gears, and pedals.
Bicycle Maintenance: Learn how to maintain your bicycle, including how to clean it, lubricate it, adjust the brakes, gears and saddle, and change a flat tire.
Bicycle Safety: Learn about the rules of the road, how to ride defensively with traffic, how to signal and communicate with drivers and other cyclists on the road.
Bicycle Accessories: Learn about accessories you can add to your bike, such as lights, locks, bell, tool kit, and basket or panniers.
Bicycle Types: Learn about the different types of bicycles, such as road bikes, mountain bikes, hybrid bikes, and city bikes, and which is best for your needs.
Bicycle Fit: Learn how to properly fit your bike to your body, including adjusting saddle height, handlebar reach, and stem length.
Bicycle Commuting: Learn how to use your bike for commuting, including selecting a safe route, packing a change of clothes, and how to lock your bike.
Bicycle Touring: Learn how to plan and prepare for a bike tour, including selecting and packing gear, planning routes, and navigating while on the road.
Bicycle Racing: Learn about the different types of bicycle racing, the rules and strategies involved, and how to train for a race.
Bicycle Culture and Advocacy: Learn about the social and political aspects of bicycle riding, including the bike culture, advocacy groups, and how to get involved in promoting cycling.
"Bicycles were introduced in the 19th century in Europe."
"By the early 21st century, there were more than 1 billion."
"These numbers far exceed the number of cars, both in total and ranked by the number of individual models produced."
"They are the principal means of transportation in many regions."
"...children's toys, general fitness, military and police applications, courier services, bicycle racing, and bicycle stunts."
"The basic shape and configuration of a typical upright or 'safety bicycle' has changed little since the first chain-driven model was developed around 1885."
"Many details have been improved, especially since the advent of modern materials and computer-aided design. These have allowed for a proliferation of specialized designs for many types of cycling."
"In the 21st century electric bicycles have become popular."
"The bicycle's invention has had an enormous effect on society, both in terms of culture and of advancing modern industrial methods."
"Several components that played a key role in the development of the automobile were initially invented for use in the bicycle, including ball bearings, pneumatic tires, chain-driven sprockets, and tension-spoked wheels."