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IMG_6281

  • By Aaron Hersh
  • Published Sep 18, 2012
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The Shimano Dura-Ace Di2 9070 rear derailleur functions like the original.

1. The Shimano Dura-Ace Di2 9070 rear derailleur functions like the original.

Liz Hichens is the Web Producer of Triathlete.com. She is an Ironman and marathon finisher and fan of all endurance sports.

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