PopSci Details Ultegra Di2

PopSci Details Ultegra Di2

When the first bike equipped with Shimano’s new electronic shifting mechanism showed up on the floor, our own sales people, the ones who have seen pretty much everything, could be found hovering around it. Everyone had to take a turn working through the gears, seeing for themselves just how fast, and how smoothly this thing went from sprocket to sprocket.

For some of us, it took some convincing. The idea of a drive-train that runs on a battery seems like an affront to a cyclist’s purist sensibilities, but most of us are willing to sacrifice a little purity in the name of function, and the Di2 shifting system is the epitome of function. It’s shifts are so fast and effortless that we found ourselves having to change our picture of what fast, effortless shifting feels like.

It feels like magic, but of course it’s actually engineering, and the the people at PopSci are interested in it too. Have a look at their description.

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