Front Derailleur

Front Derailleur

DURA-ACE FD-R9250-F

The FD-R9250 is Shimano's new 12 speed Di2 Front Derailleur, to be used with the semi-wireless R9250 groupset.

It works with the BT-DN300 battery and EW-SD300 Electric Wire.

Wireless, but wired

Twelve-speed Di2 components are wireless, so what is a wire doing here? The new Di2 system is only semi-wireless, meaning that the derailleurs are still plugged into the battery, but the shifters send their shift commands wirelessly.

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