Bicycle firmware updates? Shimano Di-2

Does your bike have Shimano Di-2 components? Why not consider updating your firmware the next time you’re charging the battery? Shimano release updates to the full Di-2 component range on a regular basis. The updates deliver improvements in connectivity (SM-EW001 wireless transmitter module), deliver new capability (synchro shift anyone?), allow for new component inter-operability, and

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