| A bicycle or just cycle is a
| |
| | The front triangle has the top tube, head
|
| human-powered vehicle driven by pedals.
| |
| | tube, seat tube and down tube. Head tube
|
| It has two wheels which are attached to a
| |
| | is the part containing the headset of
|
| metal or in some cases hard plastic
| |
| | bearing to allow smooth steering, the top
|
| frame, one at the front and the other at
| |
| | tube connects to the seat, and the down
|
| the back.
| |
| | tube connects the head tube and bottom
|
| History of a bicycle
| |
| | bracket. The rear triangle has the seat
|
| The bicycle was first introduced in
| |
| | tube, seat stays and paired chain stays.
|
| Europe in the 19th century. Presently
| |
| | Drivetrain - it consists of the pedals,
|
| their number is exceeding one billion
| |
| | which rotates the crank arms, which in
|
| throughout the world. They are used as a
| |
| | turn are attached to a sprocket or chain
|
| principal mode of transportation in some
| |
| | rings which drives the chain and makes
|
| areas of the world, especially
| |
| | the rear wheel rotate.
|
| Netherlands and China. They have also
| |
| | Seating and Steering - steering is made
|
| developed as a very popular form of
| |
| | possible using the handlebars which turns
|
| entertainment and recreation. Other
| |
| | the front wheel. For seating there are
|
| fields of human activities that they have
| |
| | saddles on the top of the frame. The
|
| been adopted are adult fitness,
| |
| | seating can be designed for comfort or to
|
| children`s toys, police and military
| |
| | make cycling smoother and faster.
|
| applications, cycle sports and courier
| |
| | Brakes - the brakes used in modern
|
| services. Thus over the period of time
| |
| | bicycles are either rim brakes that uses
|
| the humble bicycle has assumed quite a
| |
| | pads to compress the wheel from 2 sides
|
| few roles!
| |
| | and stopping it, internal hub brakes that
|
| The basic configuration and shape of a
| |
| | has the pads inside the hubs or disc
|
| common bicycle has been altered very
| |
| | brakes. Braking in bicycles is
|
| slightly since the first model driven by
| |
| | hand-operated by pressing the brake
|
| chains was developed back in 1885.
| |
| | levers installed on the handlebars on
|
| However, some subtle details have been
| |
| | either side.
|
| made better with the growing use of
| |
| | Suspension - it is the system
|
| computer and improvement in material
| |
| | incorporated to make the cycling
|
| technology. Using modern technologies
| |
| | experience smoother.
|
| have made it possible to produce
| |
| | Accessories - parts like mudguards to
|
| specialized designs for different kinds
| |
| | avoid spray from puddles, chain guards to
|
| and uses of cycling.
| |
| | save clothes from oils, kick stands to
|
| Parts and Construction of a Typical
| |
| | keep the bicycle upright while parked
|
| Bicycle
| |
| | have become permanent features of a
|
| Wheels - it is the most important part of
| |
| | bicycle. Other accessories like front
|
| any vehicle. The initial wheels used a
| |
| | baskets, rear racks, space for head lamp,
|
| wooden hub with a steel axle, spokes made
| |
| | a pump, helmets, tool kit etc are also
|
| of wood and an iron tire which is fitted
| |
| | available as per ordered.
|
| on the outside. The wheels used today
| |
| | The use and development of bicycles have
|
| have a metal hub, metallic wire spokes, a
| |
| | affected mankind in a bigger way than it
|
| metal rim to hold the spokes and a
| |
| | seems. It has affected history in both
|
| pneumatic rubber tire on the outside.
| |
| | industrial and cultural realms. In the
|
| Another important part of the wheel are
| |
| | initial years, bicycles and its
|
| the bearings which allows free movement
| |
| | construction were dependent on the
|
| of the hub on the axle.
| |
| | technology that existed; more recently,
|
| Frame - most of the bicycles used today
| |
| | its technology in turn has given forth
|
| has the diamond frame. It`s made up of
| |
| | ideas in different areas.
|
| two triangles, the front and the rear.
| |
| |
|
