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Crankarm

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Crank Set

A Shimano Deore right crankset, showing crank arm, spider, three chainrings and chainring guard

The Crankarm,crankset, or chainset, is the component of a bicycle drivetrain that converts the reciprocating motion of the rider's legs into rotational motion used to drive the chain, which in turn drives the rear wheel. It consists of one or more chainrings



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