# derailleur

> type of variable-ratio transmission system commonly used on bicycles

**Wikidata**: [Q1156860](https://www.wikidata.org/wiki/Q1156860)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Derailleur)  
**Source**: https://4ort.xyz/entity/derailleur


## References

1. Freebase Data Dumps. 2013
2. GF WordNet