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
1987 (What the Fuck Is Going On?) of our original record. To do this you will need 3 wired-up record decks, a pile of selected discs, one t.v. set and a video machine loaded with a cassette of edited highlights of last weeks 'Top of the Pops'. Deck one is to play this record on, the other two are to scratch in the missing parts using the selected records. For added authentic effect you could use a Roland 808 drum machine (well cheap and what we used in the original recordings) to play along behind your scratching. By 2000, a copy of the original version of "1987"