Thread: Giant Defy Frame Sizing Chart
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Old 05-31-16 | 09:43 AM
  #8  
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rpenmanparker
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Bikes: 1990 Romic Reynolds 531 custom build, Merlin Works CR Ti custom build, super light Workswell 066 custom build

I have always ridden 54 cm frames. The Giant TCR Medium says 50 cm, but it fits exactly as 54. Like I said above, add 4 cm to the Giant seat tube measurement to get a nominal numerical size.
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