A bicycle is a vehicle consisting of two wheels attached to a frame and steered by a fix tandem, and propelled by the shaire force of the user who put pressure on pedals that make the wheel spin. The invention of the bicycle date far back to the 17th century, and since then has been constantly modified during the past decades to reach the bicycle who know today.
The first bicycle , a wooden scooter-like vehicle,
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showed last 75 words of 801 total
biking, but have few limitation
in both cases. Their tires are wider than road bikes but thinner than
mountain bikes tires.
These types of bike have special features. The tandem carries two riders,
on in front of the other. Each rider uses a separate set of pedals,
but there is only one chain between them. Such bikes are existed
for quite a while and are still popular in some places such as China.