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
Old English subjunctive Old English subjunctive The subjunctive mood is a flexible grammatical instrument for expressing different gradients in thought when referring to events that are not stated as fact. It is still used frequently in such languages as French, German and Spanish, and also in languages outside the Indo-European branch such as Turkish and Hungarian. In modern English only remnants of a once complex system of separate conjugations exist. What once could be expressed succinctly with the mere change of a conjugation is now only expressible, more often than not, by using word-laden modal constructions. The word subjunctive as used to denote