Classification : Bicycles

Bicycle is a popular activity and exercise in Taiwan nowadays . It shows around the parks , roads and outdoors on weekends . Bicycles can be classified in many different ways: by function, by number of riders, by general construction, by gearing or by means of propulsion. The more common types include road bickes, racing bickes , mountain bickes, touring bickes, folding bikes and electric bickes .

Road bicycle is a bicycle designed for use primarily on roads, as opposed to off-road terrain. Sometimes it is used as a synonym for the more specific racing bicycle. In general road bicycles have drop handlebars and multiple gears, although there are single and fixed gear varieties.

Racing bicycle is designed for road bicycle racing , speed, and include road, time trial, and track bicycles. They are fast and have lightweight frames and components. It have drop handlebars to allow for an aerodynamic riding position, narrow high-pressure tires for minimal rolling resistance and gears.

Mountain bicycle is designed for off-road cycling, and include other sub-types of off-road bicycles . All mountain bicycles feature sturdy, highly durable frames and wheels, wide-gauge treaded tyres, and cross-wise handlebars to help the rider resist sudden jolts .

Touring bicycle is designed for bicycle touring and long journeys. They are durable and comfortable, capable of transporting baggage, and may feature any type of gearing system.

Folding bicycle is a type of bicycle that incorporates a number of hinges or joints, which may be lockable, that permit it to be folded into a more compact size. Their major advantage is that they can be folded up and taken on public transport and into buildings .

Electric bicycles are usually powered by electric motors or small internal combustion engines.

The bicycle has had a considerable effect on human society, in both the cultural and industrial realms. In its early years, bicycle construction drew on pre-existing technologies, and more recently, bicycle technology has contributed both to old and new areas. As the gasoline has been raising , some people even use bicycle to go to work instead of driving . Some environmentalists encourge riding bicycle to reduce air pollution and protect green environment . However , bicycle is a good exercise for everyone whatever in any type .