Derailleur gears designed and built in the late 19th century. One example is the Protean two-speed derailleur available on the Whippet safety bicycle. The French bicycle tourist, writer and cycling promoter Paul de Vivie (1853–1930), who wrote under the name "Vélocio", invented a two speed rear derailleur in 1905 which he used on forays into the Alps. Some early designs used rods to move the chain onto various gears. 1928 saw the introduction of the "Super Champion Gear" (or "Osgear") from the company founded by champion cyclist Oscar Egg, as well as the Vittoria Margherita; both employed chainstay mounted 'paddles' and single
Glossary of French expressions in English in the original language, to the extent that they would not be understood (either at all, or in the intended sense) by a native French speaker. c'est la guerre: "That's war!", or... c'est la vie: "That's life!" or "Such is life!" Through the evolution of the language, many words and phrases are no longer used in modern French. Also there are expressions that, even though grammatically correct, do not have the same meaning in French as the English words derived from them. Some older word usages still appear in Quebec French. International authorities have adopted a number of words and