Ex Vat: £110.83
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The Ultegra 6870 Di2 front derailleur's operation is pioneering, smooth shifting is guaranteed thanks to a microchip communication link with the gear levers. What's more shifting the rear derailleur automatically trims the front derailleur.
The biggest difference you will notice is just how much quicker and effortlessly smoother shifting on the front chainrings even under load, the effort and time to actuate the shift between mechanical and Di2 is truly staggering. With 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.
Quick and effortlessly smoother shifting on the front chainrings even under load
The front derailleur trims automatically in response to the position of the rear derailleur on the cassette to ensure no chain rub
Braze-on fit as standard
Band-on seat tube adapters are available
11-speed E-tube Di2 compatible
Front derailleur weight is 162 grams