What does the Crankset do?
Turns the rider's pedalling force into rotation that drives the chain.
Drivetrain Component study
Crankset
The crank arms and the toothed chainrings attached to them. The pedals screw into the ends of the crank arms.
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How does it work?
Pushing the pedals rotates the crank arms around the bottom bracket. The chainrings turn with them and pull the chain forward.
Materials & Construction
Materials commonly used to make the Crankset.
Aluminium
A light metal alloy and the most common material for frames and parts on entry-level and mid-range bicycles.
Learn more about AluminiumCarbon Fibre
A composite made from layers of carbon fibre sheets bonded with resin. Engineers can arrange the layers to make a part stiff in one direction and more flexible in another.
Learn more about Carbon FibreSteel
A strong and durable iron-based alloy. It is used for frames as well as for parts that wear quickly, such as chains, cassette sprockets and brake rotors.
Learn more about Steel