Thread: Effective Rim Diameter
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Old 09-25-07 | 11:01 PM
  #9  
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DannoXYZ
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Joined: Jul 2005
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From: Mesa, AZ

Bikes: Moots RCS, tandem, beach-cruiser, MTB, Specialized-Allez road-bike, custom track-bike

I'm still using a set of track wheels with M19A rims I built up in 1994 or so. The M19A has a smoother aero profile than the M19A-II which has parallel sides for the braking surface. This results in a little bump where it transitions into the aero section.
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