Thread: Help With Replacement Chainrings
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Old 03-30-12 | 12:00 AM
  #5  
fietsbob
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From: NW,Oregon Coast

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Sugino does not use Ergal alloy,, aka 7075, so they are cheaper but softer metal.

Less of a gram counter, I got Steel 110-74 50/38/24t. in the early 90's..
they are still in good shape.
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