HISTORY OF BICYCLE

BACKGROUND

• 1490
• Idea from Leonardo da Vinci
• Imagination
• Unverified

1817-1819 VELOCIPEDE

• Karl Von Drais
• First successful human - propelled machine
• Two - wheeled and steerable
• In German and France
• Instead of horses

1818 DEVELOPMENT

• Denis Johnson
• Wooden frame had a serpentine shape
• Became the craze and fashion in London society
• 1863-added rotary cranks and pedals
• Created the first pedal-operated bicycle

1820S-1850S

• An era of 3 and 4 wheelers
• Used Drais' s design
• Wanted to be balance
• Willard Sawyer
• treadle-operated 4 wheel vehicles

1870S HIGH-WHEEL BICYCLE

• Front wheel bigger than rear wheel
• Fast but dangerous
• Because the seat was settled on the front wheel

1880S-1890S

• Development of safety bicycle
• Most important change in the history the bicycle
• John Kemp Starley
• Produced the first successful safety bicycle in 1885
• The front wheel and rear wheel are same size