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
Oxford-Hachette French Dictionary: French–English English–French Oxford-Hachette French Dictionary: French–English English–French The Oxford-Hachette French to English/English to French Dictionary is one of the most comprehensive and recent bilingual French–English/English–French dictionaries. It was the first such dictionary to be written using a computerized corpus and it contains 555,000 translations as well as 360,000 words and expressions. The work was first published in 1994, with its second, third and fourth editions appearing in 1997, 2001 and 2007 respectively. Though the dictionary is entirely bilingual, it is marketed under two different names, one for French, one for English: Its version is also available in a concise or condensed version.