Thread: Chairings - why aluminum? why not steel?
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Old 05-06-12, 10:46 AM
  #18  
FBinNY 
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Originally Posted by wphamilton
hypothesis: it is cheaper and easier to machine chainrings from aluminum.
Which goes a long way toward explaining why low end OEM cranksets have steel chainrings, while pricier cranksets have aluminum chainrings.
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