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Technical FAQ: Installing electronic shifting on a bike without internal cable routing

  • By Lennard Zinn
  • Published Jul. 3, 2012
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A standard 8-by-7mm Shimano grommet on the seat tube for an Ultegra Di2 front derailleur wire. Photo: Lennard Zinn | VeloNews.com

A standard 8-by-7mm Shimano grommet on the seat tube for an Ultegra Di2 front derailleur wire. Photo: Lennard Zinn | VeloNews.com

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