Old 02-23-09, 12:51 PM
  #7  
Gonzo Bob
cycles per second
 
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Join Date: Oct 2003
Location: Minnesota
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Bikes: Early 1980's Ishiwata 022 steel sport/touring, 1986 Vitus 979, 1988 DiamondBack Apex, 1997 Softride PowerWing 700, 2001 Trek OCLV 110

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If the cogs are Dura-Ace HyperGlide 8-speed, it is a cassette hub (aka freehub), not a freewheel hub. It should also measure 130mm.
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