Old 06-25-11, 11:02 AM
  #11  
jonwvara 
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Originally Posted by cyclotoine View Post
take a punch, put the upper race on a pipe and put many dimples in it. all the way around... like a golf ball but the dimples will be smaller. it makes tiny craters that push the metal up on the edge. I use this for making crown races fit tighter as well.
The modified race doesn't then act like a cheese grater on the inside of the head tube?
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