Derailleur
//ˌdəˈɹeɪl.jə//
"Derailleur" in a Sentence (1 examples)
The common rear derailleur designs all operate on the same principle. A moveable cage receives the chain returning from the chainwheel and directs it onto one sprocket of the cluster.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.