parts of a bicycle![click to hear](/images/speaker.jpg)
toe clip ![click to hear](/images/speaker.jpg)
Metal device attached to the pedals that covers the front of the feet, keeping the feet in the proper position and increasing pedaling power.
pedal ![click to hear](/images/speaker.jpg)
Part attached to a crank that the cyclist rotates to provide the bicycle’s power.
front derailleur ![click to hear](/images/speaker.jpg)
Mechanism for changing the front gears by lifting the chain from one chain wheel to another; it allows the cyclist to adapt to road conditions.
drive chain ![click to hear](/images/speaker.jpg)
Set of metal links meshing with the sprockets on the chain wheel and gear wheel to transmit the pedaling motion to the rear wheel.
chain stay ![click to hear](/images/speaker.jpg)
Tube connecting the pedal mechanism to the rear-wheel hub.
rear derailleur ![click to hear](/images/speaker.jpg)
Mechanism for changing the rear gears by lifting the chain from one gear wheel to another; it allows the cyclist to adapt to road conditions.
reflector ![click to hear](/images/speaker.jpg)
Device returning light toward its source so that other users of the road might see the cyclist.
fender ![click to hear](/images/speaker.jpg)
Piece of curved metal covering part of the wheel to protect the cyclist from being splashed.
rear light ![click to hear](/images/speaker.jpg)
Lamp signaling the bicycle’s presence in the dark.
generator ![click to hear](/images/speaker.jpg)
Mechanism activated by the rear wheel, converting the wheel’s motion into electric energy to power the front and rear lights.
carrier ![click to hear](/images/speaker.jpg)
Device attached to the back of the bicycle for carrying bags on each side and packages on top.
rear brake ![click to hear](/images/speaker.jpg)
Mechanism activated by a brake cable, comprising a caliper and return springs; it forces a pair of brake pads against the sidewalls to stop the bicycle.
seat tube ![click to hear](/images/speaker.jpg)
Part of the frame leaning slightly to the rear, receiving the seat post and joining the pedal mechanism.
seat stay ![click to hear](/images/speaker.jpg)
Tube connecting the top of the seat tube with the rear-wheel hub.
seat post ![click to hear](/images/speaker.jpg)
Component supporting and attaching the seat, inserted to variable depth into the seat tube to adjust the seat’s height.
seat ![click to hear](/images/speaker.jpg)
Small triangular seat attached to the bicycle’s frame.
tire pump ![click to hear](/images/speaker.jpg)
Device that compresses air and is used to inflate a bicycle tire’s inner tube.
crossbar ![click to hear](/images/speaker.jpg)
Horizontal part of the frame, connecting the head tube with the seat tube and stabilizing the frame.
down tube ![click to hear](/images/speaker.jpg)
Part of the frame connecting the head tube to the pedal mechanism; it is the longest and thickest tube in the frame and gives it its rigidity.
water bottle clip ![click to hear](/images/speaker.jpg)
Support attached to the down tube or the seat tube for carrying the water bottle.
water bottle ![click to hear](/images/speaker.jpg)
Soft plastic container, with a quick-open cap, for drinking from.
tire valve ![click to hear](/images/speaker.jpg)
Small clack valve sealing the inflation opening of the inner tube; it allows air to enter but prevents it from escaping.
spoke ![click to hear](/images/speaker.jpg)
Thin metal spindle connecting the hub to the rim.
tire ![click to hear](/images/speaker.jpg)
Structure made of cotton and steel fibers coated with rubber, mounted on the rim to form the casing for the inner tube.
rim ![click to hear](/images/speaker.jpg)
Metal circle constituting the wheel’s circumference and on which the tire is mounted.
hub ![click to hear](/images/speaker.jpg)
Central part of the wheel from which spokes radiate. Inside the hub are ball bearings enabling it to rotate around its axle.
fork ![click to hear](/images/speaker.jpg)
Two tubes connected to the head tube and attached to each end of the front-wheel hub.
headlight ![click to hear](/images/speaker.jpg)
Lamp illuminating the ground a few yards in front of the bicycle.
front brake ![click to hear](/images/speaker.jpg)
Mechanism activated by a brake cable, comprising a caliper and return springs; it forces a pair of brake pads against the sidewalls to slow down the front wheel.
brake lever ![click to hear](/images/speaker.jpg)
Lever attached to the handlebars for activating the brake caliper via a cable.
head tube ![click to hear](/images/speaker.jpg)
Tube using ball bearings to transmit the steering movement to the fork.
stem ![click to hear](/images/speaker.jpg)
Part whose height is adjustable; it is inserted into the head tube and supports the handlebars.
handlebars ![click to hear](/images/speaker.jpg)
Device made up of two handles connected by a tube, for steering the bicycle.
brake cable ![click to hear](/images/speaker.jpg)
Sheathed steel cable transmitting the pressure exerted on the brake lever to the brake.
shifter ![click to hear](/images/speaker.jpg)
Lever for changing gears via a cable moving the derailleur.