The wheel was discovered 10.000 years ago. Egyptians, Chinese, Italians used the wheels in an antique machine; this had two wheels in a wood piece.This machine is the bike.
The first modern machine was designed in 1790 by French Sivrac ; this machine had two wood wheels together with two axes to a body wood; this machine had speed when the driver’s legs are to move but this disn't have direction. This machine it was called “celerìfero”.
Many years later German Karl Von Drais created a machine same the celerìfero but it has a rudder and it could be drive.
In January 1887 American Thomas Stevens did the first travel in bike around the world. He started in San Francisco and he returned the same city after drived for more three years.
The bicycle has had many changes with the years. In the actually the bike is a famous transportation mean in Europe and Asia, because it doesn’t need fuel and doesn’t pollute the environment; this can be to use in the city or in the town. The people say the bike is the transportation in the future.
Many people use to do exercise and practice extreme sports.Mountain bike: This is a bicycle designed for travel in the mountain.
Bicicross: It is an extreme sport and the people to do it need much ability for drive the bike on roads with barriers or ramps.
Freestyle: This is one the best extreme sports because the freestylers should be killed and highly risky to jump in the air. 
Diany.. Bike is a interesting topic, because I don´t know the history about bike. Your work is good.! Congratulation
ReplyDeleteit is very interesting the story about the man who traveled around the world in his bike, i don't have any idea of this
ReplyDeleteHi Diany, good article, I think that the bicycle is a good invent specially for to use in the free time.
ReplyDeleteHey diany you chose an interesting topic because the bike it´s wonderful I practice downhill and cross country, and i used to go to university too.
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