In 2009 Shimano brought electronic gear-shifting to road bikes, in the form of its Dura-Ace Di2 group. The slightly-less-pricey Ultegra Di2 system followed, although it was still aimed at roadies.
Shimano has offered electronic shifting for a while now, but only if you were willing to drop big money on a high-end racing bike. The Alfine Di2 internal electronic shifting system brings the ...
Shimano has officially unveiled the new 105 Di2 groupset, which comes with 12-speed wireless shifting technology. Previously only available in the Ultegra and Dura-Ace groupsets, Shimano has released ...
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