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.
Mon: Closed Tue - Sat: 10:00am - 6:00pm Sun: 11:00am - 5:00pm
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.