R/C Tech Forums - View Single Post - Fake or low quality Ceramic diff balls
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Old 07-18-2011 | 09:45 AM
  #8  
chensleyrc1
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Joined: Oct 2005
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From: St. Louis
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I've been running Black Pearls from Blackbeard for about a year now in my B4.1. Still real smooth.

http://www.blackbeardrc.com/store/
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