Derailleur gears Derailleur gears Derailleur gears are a variable-ratio transmission system commonly used on bicycles, consisting of a chain, multiple sprockets of different sizes, and a mechanism to move the chain from one sprocket to another. Although referred to as "gears" in the bike world, these bicycle "gears" are technically "sprockets" since they drive or are driven by a chain, and are not driven by one another. Modern front and rear derailleurs typically consist of a moveable chain-guide that is operated remotely by a Bowden cable attached to a shifter mounted on the down tube, handlebar stem, or handlebar. When a rider
Oxford-Hachette French Dictionary: French–English English–French Oxford-Hachette French Dictionary: French–English English–French The Oxford-Hachette French to English/English to French Dictionary is one of the most comprehensive and recent bilingual French–English/English–French dictionaries. It was the first such dictionary to be written using a computerized corpus and it contains 555,000 translations as well as 360,000 words and expressions. The work was first published in 1994, with its second, third and fourth editions appearing in 1997, 2001 and 2007 respectively. Though the dictionary is entirely bilingual, it is marketed under two different names, one for French, one for English: Its version is also available in a concise or condensed version.