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Crank may refer to:


  • Crank (mechanism), in mechanical engineering, a bent portion of an axle or shaft, or an arm keyed at right angles to the end of a shaft, by which motion is imparted to or received from it
  • Crankset, the component of a bicycle drivetrain that converts the reciprocating motion of the rider's legs into rotational motion
  • Crankshaft, the part of a piston engine which translates reciprocating linear piston motion into rotation


Popular culture[edit]


Other uses[edit]

  • Crank (number theory), of a partition of an integer is a certain integer associated with the partition
  • Crank (surname), a surname, notable people with the surname see there
  • Crank conjecture, a term coined by Freeman Dyson to explain congruence patterns in integer partitions
  • Cranks restaurant, a chain of English wholefood vegetarian restaurants

See also[edit]