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
The Big Machine The Big Machine The Big Machine is the fourth studio album by French singer, composer and producer Émilie Simon, released on 14 September 2009, by Barclay. The album is completely in English; no French songs were included on the album. However, some songs have fragments in French. Four viral videos have been posted on her official MySpace page. The videos include the same artwork used on her official website, created by AATOAA. The first one includes the full album version of "Dreamland" which is the lead single of the album. The second one includes a 36-second instrumental sample of "Chinatown".