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
Influence of French on English among the clergy. French was therefore, at first, spoken in England under the form of this Anglo-Norman dialect. During the 12th century, continental French had a greater influence on Old English. It acquired great prestige in England, especially within the aristocracy and the clergy. It became the language of law and justice nationwide. Rich and noble families, most of them of Norman origin, taught their children French or sent them to study in France. The expansion of the French language in England was also encouraged by royal marriages. From Henry II Plantagenet and Eleanor of Aquitaine at the beginning of