Old 11-04-15, 12:27 PM
  #12  
SJX426 
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Originally Posted by taras0000 View Post
In my experience, this is mostly due to cleaning/re-greasing. Like chains and cogs, bearings and races go together. If only changing the bearings brings a significant improvement, then the races are probably messed up a little too.
Well that depends on the material and the treatment. Often designer will make sure one of the wear components is designated a "sacrificial" part for ease of service. If you wait too long, your description I appropriate. Campagnolo Record hub races are much harder than the bearings, allowing bearing replacement with little to no impact to race wear degradation
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