Bicycle

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Let's explore the world of bicycles! Here's a breakdown of different aspects related to bicycles:
1. Definition and Basic Description:A bicycle, often called a bike, is a human-powered or motor-powered, pedal-driven, single-track vehicle, having two wheels attached to a frame, one behind the other. A person who rides a bicycle is called a cyclist or bicyclist.
2. Types of Bicycles:Bicycles come in many different styles, each designed for specific purposes:

• Road bikes: These are designed for speed and efficiency on paved surfaces. They typically have lightweight frames, drop handlebars, and narrow, high-pressure tires.
• Mountain bikes: Built for off-road riding, these bikes have durable frames, wide, knobby tires, and suspension systems to absorb impacts.
• Hybrid bikes: A cross between road and mountain bikes, hybrids offer a comfortable ride on various terrains. They usually have flat handlebars and medium-width tires.
• Cyclocross bikes: Designed for cyclocross racing, a mix of pavement, wooded trails, grass, and steep hills. Similar to road bikes but with more tire clearance and knobby tires.
• Touring bikes: Made for long-distance riding and carrying loads, touring bikes have strong frames, comfortable geometry, and mounting points for racks and panniers.
• BMX bikes: Used for stunt riding and racing on dirt tracks. They are small, sturdy, and highly maneuverable.
• Cruiser bikes: Designed for casual riding, cruisers have comfortable, upright seating positions, wide tires, and often feature coaster brakes.
• Electric Bikes (E-bikes): Bicycles that include a motor and a battery.
• Folding Bikes: Designed to fold into compact sizes for travel and storage.

• 1817: The earliest ancestor of the bicycle was invented by German Baron Karl von Drais which was named the "draisine," or "running machine". It was a two-wheeled vehicle propelled by the rider pushing their feet against the ground.
• 1860s: The first commercially successful bicycle was created and was nicknamed "boneshaker". Pedals were attached to the front wheel.
• 1880s: The "safety bicycle" was developed, featuring wheels of equal size and a chain drive. This design is very similar to modern bicycles.
• 20th and 21st Centuries: Bicycles continued to evolve with improvements in materials, gearing, and braking systems. Mountain bikes, BMX bikes, and other specialized types emerged.

• Great form of excercise
• Environmentally friendly form of transportation
• Recreational activity

• Frame
• Wheels
• Drivetrain: crankset, chain, cassette, derailleurs
• Brakes
• Saddle
• Handlebars