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
Longest word in English is also known as Webster Lake. The longest hyphenated names in the U.S. are "Winchester-on-the-Severn", a town in Maryland, and "Washington-on-the-Brazos", a notable place in Texas history. The longest official geographical name in Australia is Mamungkukumpurangkuntjunya. It has 26 letters and is a Pitjantjatjara word meaning "where the Devil urinates". In Ireland, the longest English placename at 19 letters is Newtownmountkennedy in County Wicklow. "Guinness World Records" formerly contained a category for longest personal name used. Long birth names are often coined in protest of naming laws or for other personal reasons. Longest word in English The identity of the