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
Yiddish words used in English sometimes in the same sentence. For instance, the word פֿאַרקאַקטע may be spelled "farkakte", "ferkockte", "verkackte", among others. In its roots, though, Yiddish (whether used as English slang or not) is fundamentally mediaeval High German; although mediaeval German suffered from the same vagaries in spelling, it later became standardised in Modern High German. This list shall use the same conventions as Modern High German, with the exception of certain words, the spellings of which have been standardised. Furthermore, common nouns shall be left lowercase, as in English. Yiddish words used in English Yiddish words may be used in a primarily