Equipment
CYCLING ROAD
Chainring
A large toothed ring (part of the chainset) that drives the chain via the pedals and cranks.
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Chainstay
The two horizontal parts of the bike frame that join the bottom bracket to the rear wheel.
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Cogwheel
A less commonly used term for a sprocket.
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Cranks
The arms which drive the chainwheels. Cranks are bolted to the crankshaft.
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Crankshaft
The axle to which the cranks are attached.
Derailleur
The mechanism which moves the chain from one chainring or sprocket to another.
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Gloves
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Handlebars
The part of the bicycle which the rider takes hold of.
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Helmet
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Saddle
The seat of a bicycle.
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Race bike
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"Vélo de contre la Montre"
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Bicycle pants
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Chainset
The setup comprising the chainwheels, chain and rear sprocket.
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MOUNTAIN BIKE
Mountain bike
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Bicycle pants
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Chainring
A large toothed ring (part of the chainset) that drives the chain via the pedals and cranks.
![]() |
Chainstay
The two horizontal parts of the bike frame that join the bottom bracket to the rear wheel.
![]() |
Cogwheel
A less commonly used term for a sprocket.
![]() |
Cranks
The arms which drive the chainwheels. Cranks are bolted to the crankshaft.
![]() |
Crankshaft
The axle to which the cranks are attached.
Derailleur
The mechanism which moves the chain from one chainring or sprocket to another.
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Gear
The mechanism on a bike that changes its rate of motion; low gears make it harder to pedal while high gears make it easier.
Gloves
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Handlebars
The part of the bicycle which the rider takes hold of.
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Helmet
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Saddle
The seat of a bicycle.
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Suspension
A part of a bicycle which absorbs the impact of a wheel going over an obstacle, making for a smoother ride.
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Sprocket
The rear cog, normally a smaller toothed ring, which fits onto the rear wheel; also called a cog or cogwheel.
Chainset
The setup comprising the chainwheels, chain and rear sprocket.
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(Credit: IOC. Click here for further information.)






























