Derailleur gears a detent or ratchet mechanism which stops the gear lever, and hence the cable and the derailleur, after moving a specific distance with each press or pull. Indexed shifters require re-calibration when cables stretch and parts get damaged or swapped. On racing bicycles, 10-gear rear cassettes appeared in 2000, and 11-gear cassettes appeared in 2009. Most current mountain bicycles have either. Many modern, high-end mountain bikes have begun using entirely one chain ring drivetrains, with the industry constantly pushing the number of rear cogs up and up, as shown by SRAM's Eagle groupsets (1 by 12) and Rotor's recent 1
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