Parts of a Bicycle & Their Functions

List of Parts of a Bicycle

A bicycle, also called a cycle or bike, is a human-powered, pedal-driven, single-track vehicle, having two wheels attached to a frame, one behind the other.

  • brake lever – a lever for actuating a bicycle brake
  • frame – the mechanical core of a bicycle, the frame provides points of attachment for the various components that make up the machine
  • seat bag – a small storage accessory hung from the back of a seat
  • pedal – mechanical interface between foot and crank arm
  • brake – devices used to stop or slow down a bicycle
  • chain – a system of interlinking pins, plates and rollers that transmits power from the front sprocket(s) to the rear sprocket(s)
  • wheel – as in common usage
  • handlebar – a lever attached, usually using an intermediary stem, to the steerer tube of the fork
  • fork – a mechanical assembly that integrates a bicycle’s frame to its front wheel and handlebars, allowing steering by virtue of its steerer tube
  • basket – cargo carrier
  • cone – holds bearings in place, pressed against the cup
  • reflectorreflects light to make bicycle evident when the illuminated by headlights of other vehicles
  • hub – the core of a wheel; contains bearings and, in a traditional wheel, has drilled flanges for attachment of spokes
  • spoke – connects wheel rim to hub
  • rim – that part of a wheel to which the tire is attached and often forms part of the braking mechanism
  • tire – as in common usage. Usually pneumatic
  • valve stem – port for adding or releasing air from the inner tube
  • bell – an audible device for warning pedestrians and other cyclists
  • bar ends – extensions at the end of straight handlebars to allow for multiple hand positions

Different part of bicycle

 

 

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