INTERESTING FACTS ABOUT BICYCLES :

1. Before 1840 bicycles did not have cranks until a Scottish blacksmith KIRKPATRICK MACMILLAN made the first modern bicycle, which also featured iron rims. 

2. Before the safety bicycle, similar to the one we drive today and before the invention of the sprocket-chain drive, the cranks and pedals were on the front wheel.

3. The fastest speed ever recorded on a bicycle was attained by American Olympic Cyclist and Ironman triathlon competitor John Howard, when he reached 152.2 mph (244 km/hr) in 1985.

4. There are about 1 billion bicycles in the world, more than double the amount of cars.

5. Cycling three hours or 30 kilometers per week halves your risk of heart disease and strokes.