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Shimano Dura-Ace Di2 9070

  • By Aaron Hersh
  • Published September 19, 2012
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Outboard battery stays the same, and Shimano has added an inboard battery designed to fit in a seatpost.

Paul Moore

Paul Moore

Paul Moore is the Online Editor for Triathlete Europe. When not glued to a computer he can be found writing books - most recently The World's Toughest Endurance Challenges which you can buy on Amazon. Paul has also written Ultimate Triathlon: A complete training guide for long-distance triathletes which is also available on Amazon.