A chain can be any of the following: File links The following pages link to this file: Alchemy Ada Adventure Apartheid Abbreviation Airplane (disambiguation) Abduction Alder Anno Domini Air ABC (disambiguation) Ad hominem Afghan AD Aether Aba Anus Affinity Ai AZ Albinism Accumulator Binary Chess Computer Carbon Cow Cricket (disambiguation) Collection Convex Culture Ceramics Case Creation Crow (disambiguation... Wiktionary full URL is a sister project to Wikipedia intended to be a free wiki dictionary (including thesaurus and lexicon) in every language. ...
a flexible connection through multiple rigid links; applications include:
a measuring instrument used in engineering, also called the engineer's or Ramsden's chain (and rarely, its length of 100 ft as a unit of measurement, though the results of the measurements are normally expressed in feet); or
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A bicyclechain is a chain that transfers power from the pedals to the drive-wheel of a bicycle thus propelling it.
The chain in use on modern bicycles is a roller chain with a 1/2" pitch.
Before the safety bicycle, bicycles did not have chains and the pedals were attached directly to the drive-wheel, thus limiting top speed by the diameter of the wheel and resulting in very dangerous designs with front wheels as large as possible.