Old 06-11-19, 08:57 AM
  #7  
Skankingbiker
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Bikes: AllCity Nature Boy, On-one Pompino) , Fuji Roubaix road bike, Niner EMD, Voodoo Hoodoo MTB, Surly Pugsley/Krampug, Performer Midracer Custom

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Originally Posted by XPat9 View Post


I should have taken a photo that shows the pile-up of metal shavings. It doesn't appear to be from the retaining bar which is below the idler wheel. And luckily the entire mechanism is far from the frame itself. The chain comes well lubricated.
Your "metal shavings" appear to be from the idler wheel making contact with the aluminum chain guard plate. Bend the chain guard plate into an arc
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