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Parts of a Bicycle and Their Functions

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In this article, we’ll take a closer look at the various components that make up a bicycle and explain the function of each part. From the handlebars to the brakes, we’ll cover everything you need to know to have a better understanding of your bike.

Learn Parts of a Bicycle in English.

Parts of a Bicycle

List of Parts of a Bicycle

  • Frame
  • Fork
  • Handlebars
  • Headset
  • Stem
  • Brake levers
  • Brake calipers
  • Brake pads
  • Cranks
  • Chainring
  • Chain
  • Derailleur
  • Shifters
  • Cogset or Cassette
  • Pedals
  • Rim
  • Spokes
  • Hub
  • Tire
  • Inner tube
  • Seat
  • Seatpost
  • Saddle
  • Water bottle holder
  • Racks
  • Fenders
  • Lights
  • Kickstand

Parts of a Bicycle with Usage

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 levera lever for actuating a bicycle brake
  • framethe mechanical core of a bicycle, the frame provides points of attachment for the various components that make up the machine
  • seat baga 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)
  • wheelas in common usage
  • handlebara lever attached, usually using an intermediary stem, to the steerer tube of the fork
  • forka 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 Parts of a Bicycle | Image

Parts of a Bicycle & Their Functions

Bhavesh Taware

Sunday 6th of June 2021

chain wheel function


Sunday 4th of October 2020


Alina :)

Tuesday 13th of October 2020

h u h

Laxman Singh Sahu

Tuesday 2nd of June 2020

Excellent knowledge

Emeka Celestina

Thursday 31st of August 2023

@Laxman Singh Sahu, That's true but the crank function is missing