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Old 06-20-13, 03:11 PM
  #4  
Asi
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Join Date: May 2010
Location: Bucharest, Romania, Europe
Posts: 591

Bikes: 1989 Krapf (with Dura-ace) road bike, 1973 Sputnik (made by XB3) road bike , 1961 Peugeot fixed gear, 2010 Trek 4400

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it's about bushing of the chains, and without bushing:

top picture is a bushed chain, bottom picture is a bushingless chain
http://pardo.net/bike/pic/fail-004/chainparts.jpg
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