Behind the curtain of Shimano’s new wiredless Dura-Ace Di2 and Ultegra Di2
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Shimano’s new Dura-Ace Di2 R9200 and Ultegra Di2 R8100 may seem like incremental improvements on the surface as compared to the outgoing versions.

In reality, there’s an awful lot of engineering, thought, and work that went into every one of those decisions specifically so that the end result comes across as seamless as it does.

You’ve already heard and read about all the tech features) of the new groupsets, but in this special sponsored episode, we’ll take you inside the minds of some of the people at Shimano who helped shape the new groupsets more directly.