Shimano Dura-Ace 7970 Di2 Front Derailleur
The Shimano Dura-Ace 7970 Di2 Front Derailleur is a perfect example of the difference in the effort and time taken for front shifts between Dura-Ace mechanical and Dura-Ace Di2. It is truly staggering: with programmed automatic motion at the touch of a switch the Dura-Ace Di2 front derailleur is quick, smooth and effortless, making for unmatched drive train efficiency.
The biggest difference you will notice is just how much quicker and effortlessly smoother shifting on the front chainring is, even under load.
The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates, corrosion and stretching, but provides effortless gear shifts
The front derailleur also trims automatically; the cage moves in response to the position of the rear derailleur on the cassette to ensure no chain rub and a quiet unobtrusive ride, enabling you to concentrate on the road ahead.
Please note: Does not include electrical wires.
Features
- Top of the range electronic front derailleur
- High tolerance cold forged aluminium and composite construction
- Braze-on fit as standard; if your bike does not have a braze-on mount seat tube adapters are available
- 10-speed Dura-Ace Di2 compatible
- Weight - 124g
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