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Old 06-30-06 | 06:57 AM
  #5  
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umpadumpy
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Joined: Jul 2004
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From: Seattle, WA

Bikes: 1978 Rampar R-10 BMX, 1988 Specialized Hardrock, 1999 Mongoose Hoop D, 2001 Schwinn Predator BMX, Generic Beach Cruiser

I think the dropouts on that MB4 frame are vertical, which would require a chain tensioner of some kind.

http://sheldonbrown.com/singlespeed.html#vertical
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