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The Bicycle by Mind Map: The Bicycle
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The Bicycle

History

1839 - Pedals Invented

1870 - "Old Ordinary" (1.5m Front Wheel)

1874 - Lady's Bicycle (Side-saddle)

1880's - Bike chain Added to reduce front wheel size

1888 - Air filled tires

Materials

Reynolds 531 - made bicycles lighter

Dunlops pneumatic tyres

Lightweight aluminium alloys

Carbon Fiber added to bicycles

Social Effects

Pedals greatly increased the usability of the bicycle

Internal hub gearing - improved bike as a form of transport

Suez oil crysis - forced people to use bicycles

Environmental Impacts

Cycling is seen to be a solution to green hous gases.

Human power is a renewable energy source

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