Details
Shimano's Dura-Ace Di2 Front Derailleur Braze-On Adapter is the correct mount for electronic Di2 derailleurs and their fast powerful servo motors.
Your seat-tube diameter determines the needed derailleur clamp size.
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Shimano's Dura-Ace Di2 Front Derailleur Braze-On Adapter is the correct mount for electronic Di2 derailleurs and their fast powerful servo motors.
Your seat-tube diameter determines the needed derailleur clamp size.