Derailleur gears operates the lever while pedalling, the change in cable tension moves the chain-guide from side to side, "derailing" the chain onto different sprockets. For more information about the choice of particular gear ratios and sprocket sizes, see Bicycle gearing. "Derailleur" is a French word, spelled "dérailleur" in French, derived from the derailment of a train from its tracks. Its first recorded use was 1930. At least one notable bicycle industry author has attempted to promote the anglicized spelling of "derailer". As of 2013, however, neither Merriam-Webster nor the Oxford English Dictionary has an entry for "derailer". Various derailleur systems were
The Big Machine The Big Machine The Big Machine is the fourth studio album by French singer, composer and producer Émilie Simon, released on 14 September 2009, by Barclay. The album is completely in English; no French songs were included on the album. However, some songs have fragments in French. Four viral videos have been posted on her official MySpace page. The videos include the same artwork used on her official website, created by AATOAA. The first one includes the full album version of "Dreamland" which is the lead single of the album. The second one includes a 36-second instrumental sample of "Chinatown".