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Old 12-08-11, 07:18 AM
  #9  
davidad
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shimano makes a special tool to adjust the bearings. It's a good idea to open them up and get rid of the play. Cup and cone bearings need a little preload or in time they will begin to ruin the cones.
Every 5k miles or so you can pull the bearing and clean out the housing. Pump fresh grease into the housing and replace the bearing forcing the old grease in it out.
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