Bicycle

Frame: The frame is the main structure of the bike and is typically made of metal, such as aluminum or carbon fiber.

Fork: The fork holds the front wheel in place and allows the wheel to turn.

Handlebars: Handlebars provide a place for the rider to hold on and steer the bike.

Stem: The stem connects the handlebars to the bike's frame.

Headset: The headset allows the fork to rotate and the handlebars to turn.

Brakes: Brakes are used to slow down or stop the bike.

Cranks: The cranks connect the pedals to the bike's frame and are used to convert the rider's pedaling motion into motion for the bike.

Chain: The chain transfers power from the pedals to the rear wheel.

Cassette/Freewheel: The cassette or freewheel is a group of gears located on the rear wheel hub.

Derailleur: The derailleur is a mechanism that moves the chain between gears.

Pedals: Pedals provide a platform for the rider's feet to push against.

Tires and Rims: Tires and rims are used to provide traction and support for the bike.

Saddle: The saddle provides a place for the rider to sit.