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Same battery

  • By Caley Fretz
  • Published Apr. 17, 2012
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Ultegra Di2 uses the same battery as Dura-Ace Di2. I've only had to charge it once in months of riding. Photo: Caley Fretz

Ultegra Di2 uses the same battery as Dura-Ace Di2. I’ve only had to charge it once in months of riding. Photo: Caley Fretz

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