Thread: Another double/triple compat. question
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Old 11-05-10 | 08:17 PM
  #7  
Al1943
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Joined: Feb 2005
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From: Oklahoma

Bikes: Trek 5500, Colnago C-50

The chainline for a double should be 43.5 mm, from the center line of the down tube to a point mid way between the two chainrings.
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