Bicycle | Wearing bike friendliness | Campus Bicycle

Around the turn of the 20th century, bicycles reduced crowding in inner-city tenements by allowing workers to commute from more spacious dwe...

Bicycle | Usefulness Bicycle

Bicycles can be categorized in different ways: e.g. by function, by number of riders, by general construction, by gearing or by means of pro...

Bike | Understanding Bike | Bike History

Being the first human means of transport to use only two wheels in tandem, the Draisienne, Laufmaschine, or dandy horse , invented by the Ge...

Bicycle | Bicycle Racing | upright bicycle

A bicycle, also known as a bike, pushbike or cycle, is a pedal-driven, human-powered, single-track vehicle, having two wheels attached to a ...

Motorcycle Chain / Definition Motor Chain

Roller chain or bush roller chain is the type of chain drive most commonly used for transmission of mechanical power on many kinds of domest...

Bicycle Chain / Definition of a bicycle chain

A bicycle chain is a roller chain that transfers power from the pedals to the drive-wheel of a bicycle, thus propelling it. Most bicycle cha...

Battery | Electricity

An electrical battery is one or more electrochemical cells that convert stored chemical energy into electrical energy. Since the invention o...

Spark plug | Motorcycle Spark Plugs

Spark Plug A spark plug (very rarely in British English: a sparking plug) is an electrical device that fits into the cylinder head of som...

Drag Nissan 196 Thousand Vehicles

Nissan Nissan North America announced the withdrawal of nearly 196 thousand SUVs in the United States, because of corrosion problems that...

Car Tires | Car Wheels

Car Tires Automobile tires are devices that cover the rim of a wheel. Tires are an important part of land vehicles, and used to reduce vi...