Derailleur gears by 13 drive-train. Most road bicycles have two chainrings, and touring bicycles commonly have three. The rear derailleur serves double duty: moving the chain between rear sprockets and taking up chain slack caused by moving to a smaller sprocket at the rear or a smaller chainring by the front derailleur. In order to accomplish this second task, it is positioned in the path of the bottom, slack portion of chain. Sometimes the rear-derailleurs are re-purposed as chain tensioners for single-speed bicycles that cannot adjust chain tension by a different method. Although variations exist, as noted below, most rear derailleurs have
Quebec French lexicon same meaning as the English word. In France, they often have a very different meaning; for example 'le smoking' for 'tuxedo'. Borrowing from English is politically sensitive in Quebec and tends to be socially discouraged. Formal Quebec French also has a very different approach to gender-neutral language than Metropolitan French. There is a much greater tendency to generalize feminine markers among nouns referring to professions. This is done in order to avoid having to refer to a woman with a masculine noun, and thereby seeming to suggest that a particular profession is primarily masculine. Forms that would be seen as