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Old 04-24-18 | 08:13 AM
  #11  
fietsbob
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Joined: Jun 2010
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From: NW,Oregon Coast

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the bead seat interface of tire and rim has variations from a precise 622mm diameter, over a million tires & rims made..



Design matters..drop center Wolber super champion 58 rims were easier than Mavic ma40 double wall .. for examples..






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