Thread: Feeling of roughness in single rear cog
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Old 10-01-12 | 10:49 AM
  #4  
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Kimmo
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From: Melbourne, Oz

Bikes: https://weightweenies.starbike.com/forum/viewtopic.php?f=10&t=152015&p=1404231

Sounds to me like your big ring and/or that cog might be worn.

How much elongation on the chain?

And maybe the cassette has come a bit loose?
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