IRVINE, CALIFORNIA –Shimano joins the hydraulic cyclocross and road disc brake movement today with its new Ultegra 6870 Di2 and R785 disc brake component launch. Only months ago, the cyclocross world ...
As with Shimano’s other 12-speed groupsets, actually getting your hands on a bike with 105 Di2 is the tricky bit When you purchase through links on our site, we may earn an affiliate commission.
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.
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