Thread: Shimano Double ring availability
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Old 11-08-11 | 12:32 PM
  #4  
fietsbob
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From: NW,Oregon Coast

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There are several sources of after market chainrings
You have 130, or 110 bcd..
minimal tooth counts.. 130 .. 38t ; 110 .. 34t,
though the French TA company machines the physical minimum 33 tooth ..
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