Derailleur gears battery pack and to a small electric motor that drives the derailleur. Although expensive, an electronic system could save a racing cyclist time when changing 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
Influence of French on English Influence of French on English There has been a long-standing influence of French on English, in terms of syntax, grammar, lexicon, spelling and pronunciation. Most French vocabulary that entered English occurred after the Norman conquest of England in 1066 and the establishment of a French-speaking administration. French became the language of the court, the administration and the elites for several centuries, until after the Hundred Years War. English has been constantly influenced by French from that time till present day. According to Laura K. Lawless, more than a third of the current English vocabulary is of French origin. According to