Old 10-05-09, 10:45 PM
  #3  
operator
cab horn
 
Join Date: Jun 2004
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Bikes: 1987 Bianchi Campione

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This is simple to resolve.

Run the new cassette in whatever cog size you wish (limiting yourself because you want to run your old derailleur doesn't make any sense). If your old derailleur won't clear the bigger cogs then use the deore.
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