Shimano’s Deore Di2 wireless shifting works almost identically to its more expensive siblings, with a slight weight penalty and minimal compromises.

Shimano recently introduced its new CUES drivetrain specific to electric commuter bikes. Incorporating all the fancy technology found on its high-end, performance-oriented drive trains, the new CUES ...

For that reason, riders can temporarily switch over to Manual shift mode, then shift gears themselves using the Di2 shifter. As they do so, Q'Auto's AI brains will learn their cycling style, then ...

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.