How to Change Shimano Di2 Shift Modes on the fly. Manual, Semi-Synchro Full Synchro
How to change shift modes on Shimano DI2 shifters.
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See full video: • How to change Shimano Di2 shift modes...
You can switch Shimano DI2 shift modes on the fly from manual mode to Semi Synchro mode or Full Synchro mode.
The full video explains each mode.