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Crankset - Definition

By David Fiedler, About.com

Bicycle Crank(c) Josh Gardner
Definition: The crankset is the part of a bike's drivetrain that takes the pedaling power from a rider's legs and uses it to drive the chain and in turn, to rotate the rear wheel. The crankset is composed of a chainring and crank arms on which the pedals are mounted. The crankset is mounted on the bike frame's bottom bracket.
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