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
1987 (What the Fuck Is Going On?) of our original record. To do this you will need 3 wired-up record decks, a pile of selected discs, one t.v. set and a video machine loaded with a cassette of edited highlights of last weeks 'Top of the Pops'. Deck one is to play this record on, the other two are to scratch in the missing parts using the selected records. For added authentic effect you could use a Roland 808 drum machine (well cheap and what we used in the original recordings) to play along behind your scratching. By 2000, a copy of the original version of "1987"