Old 07-11-18, 01:18 PM
  #8  
ironwood
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Bikes: 1984 Bridgestone 400 1985Univega nouevo sport 650b conversion 1993b'stone RBT 1985 Schwinn Tempo

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Possibly the rim is slightly undersized, and a modern high pressure tire could blow off with high pressure. Also if the tire was left in the sun on a hot day the heat could raise the pressure enough to blow it off. Was it a tire with a folding kevalr bead?
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