Shimano Dura-Ace Di2 FD-7970 Front Derailleur. The revolutionary Dura-Ace Di2 electronic shifting option with SEIS (Shimano Electronic Intelligent System) takes the already superior Shimano shifting performance to a whole new level never seen before. The increased accuracy, smoothness and reliability of electronic shifting makes gear changes faster and virtually eliminates missed shifts. The front derailleur contains the shifting logic and enables the shifters to stay in constant communication with the whole system. Front shifting is the most perfect front shift available today. With automatic micro-trim adjustments, the chain is kept perfectly aligned and quiet.

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Features & Specs:

Cassette Compatibility: 10-Speed

Top Gear Teeth: 50-56T

Maxium Capacity: 16T

Chain Stay Angle: 61-66

Mounting: Brazed-On

Available Clamp: 28.6 / 31.8 / 34.9 mm (for Band type)

Average Weight: 124g

UPC: 689228278615
Manufacturer Part Number: IFD7970F