Thread: Replacement bearings
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Old 01-03-17 | 05:23 PM
  #14  
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AlexCyclistRoch
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Bikes: Classic road bikes: 1986 Cannondale, 1978 Trek

Originally Posted by jimmuller
Hmm, how's to know? ...
Actually, even without a Rockwell test, there are small pocket scratch testers.
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