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VIDEO Review - Shimano Di2
images by Nick Salazar
Sep 7, 2011  hits 57,525

The brake lever shifters are phenomenal, and put shifting control right at your thumbs.  And at just 112g, they're lighter than any STI on the market.
The brake lever shifters are phenomenal, and put shifting control right at your thumbs. And at just 112g, they're lighter than any STI on the market.

Shimano's Di2 system has been around for a while, but we haven't seen any in-depth reviews from the triathlete's perspective. The system offers some tangible benefits to triathletes, which we explore at length in our video review here.


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  • The bar-end shifters are an ergonomic dream, encouraging a pistol grip, and making shifting incredibly easy.
  • I have my shifters pointing upwards, and I shift via my thumbs.
  • The underside of the bars.
  • The brake lever shifters are phenomenal, and put shifting control right at your thumbs.  And at just 112g, they're lighter than any STI on the market.
  • Internal cable routing give this Di2 installation very clean lines.
  • I really like how clean the Di2 setup looks.
  • I cut a hole in my Speed Concept's stem cover in order to integrate the control box.  I stole the idea from Team HTC Columbia
  • A zoomed out view of the stem area.
  • No cables on this Di2 beauty.
  • The front derailleur shifts beautifully.  We paired ours with a set of super light Fibre-Lyte chainrings, which shift amazingly well.
  • The front derailleur is one of Di2's marvels.  Shimano recommends using only Dura Ace cranks and rings, but the Fibre-Lyte rings work VERY well.
  • The gorgeous rear derailleur, mounted on my Kurt Kinetic trainer.

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