Shimano Di2 Synchro Shifting Explained

The next progression in road riding arrived in June 2016 with the release of the new highly anticipated Shimano Dura-Ace Di2 groupset. The new system boasted some impressive upgrades on previous iterations but none more so than synchronised shifting. While synchronised shifting is new to Shimano electronic Di2 road products, this automated system has been used with great success for some time in the mountain bike world via Shimano’s XTR and XT Di2 groupsets. If the system is new to you and you’re after a
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