The bicycle, bike or cycle is a human-vehicle driven by pedals. It has a base frame with two wheels in it, one after another. Nearly 1.4 billion people in the world use this vehicle, and obviously one of the most popular vehicles and more efficient in use today. This is not only an important and popular transport, but also an effective tool for leisure. It has several uses such as police and military applications, courier services and bicycle facilities and fitness for adults.
Introduced in the 19th century century in Europe, bicycle has a large number of innovators and inventors credited to its name. The bike is called the human powered vehicle are Draisines. This was presented to the people of Paris in 1818 by the German Baron Karl von Drais. Kirkpatrick MacMillan made an upgrade to this vehicle by adding a mechanical crank drive with the drive as the vehicle. Thus, the modern bicycle “ launched.
The French inventor Pierre Michaux and Pierre Lallement designed a high-seated and big front-wheeled bicycle (ordinary bicycle, as it was officially called) that wasn `t much preferred as poor weight distribution. The dwarf ordinary bicycle recommended these defects, but the front wheel was an oversized solve. JK Starley `s 1885 Rover was the first modern bicycle in the true sense, even with the wheels and fit
The modern bicycle has many parts. They can be listed as follows.
Frame – Every bicycle today has a `diamond` frame, where the front triangle consists of the head tube, top tube, down tube and seat tube. The rear triangle consists of the seat tube and chain stays and seat stays. Based bicycle frames, yet has a high resistance so that the light energy optimization of the runner up. Ladies bicycle glasses generally have a step-by-frame through. This defines that the top tube is absent, as is the driver installed (usually a woman) and dismount in a dignified way while wearing a skirt or dress.
Powertrain – pedals which rotate the crank arm and mechanical supports and plates, are elements of the kinematic chain. They are used for transmission and other functions in the bicycle industry.
Handlebars – The handlebars are one of the most important parts of a bicycle. Vertical handlebars are used in normal bicycles while dropped handlebars of racing bikes and mountain climbing are used. These are used because they give aerodynamic steering and speed of the rider.
Saddles – The saddles are varying depending on the journey and driver preference. The cushions are typically used for short trips close are intended to give you more space to swing the legs.
Brakes – Modern bicycle brakes are usually rim brakes use pads to increase the speed. There are also wheel brakes, brake pads in the hubs that have stopped speeding bike. Disc brakes are used on mountain bikes, racing brakes etc. have to be precise and immediate.
Suspension – A bicycle with suspension to keep the streets hard and comfort for the driver, who is facing the wrong way.
– Wheels are necessary for a bicycle to run and reach its destination. Sizes, shapes and powerful wheels. According to the pilot’s needs and choice
Cities such as Lyon, Barcelona and Paris cycling systems used wisely. The journey of the bicycle with the human race has been long and important, and will continue as long as humanity exists to further expand!