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Old 10-10-09 | 03:25 PM
  #16  
davidad
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Joined: Feb 2009
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The 770 front shows a ball retainer. http://techdocs.shimano.com/media/te...9830621050.pdf
The rear shows one retainer and calls for 10 3/16" balls per side. http://techdocs.shimano.com/media/te...9830646670.pdf
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