History of bike
First known bikes are invented in 19th century. However there are some unverified claims about “bicycle-like machines” from 15th century. (See details in wikipedia).
Photo credits: en.wikipedia.org
The first “pedal-operated bicycle” was invented by a French metalworker in 1863.
Ball bearings are started being used in 1877.
“In 1885, British inventor John Kemp Starley designed the first ‘safety bicycle’ with a steerable front wheel, two equally-sized wheels, and a chain drive to the rear wheel.”
Inflatable tubes are invented in 1888.
Back-pedal brakes are invented in 1889.
“Paul de Vivie invents a two speed rear derailleur gear” in 1905.
Disk brakes are invented in 1994.
There are lots of different designs in bicycle history. However the main concept remained the same: two wheels, man-power, pedals, and a power transmission system.
Photo credits: en.wikipedia.org
In the following video bike’s history is summarized:
References:
- https://en.wikipedia.org/wiki/History_of_the_bicycle
- http://www.ibike.org/library/history-timeline.htm
- http://www.mudsweatngears.co.uk/page_2473200.html
- http://www.icebike.org/58-milestones-from-bicycle-history-you-must-know/
- http://inventors.about.com/od/bstartinventions/a/History-Of-The-Bicycle.htm