Upgrade to Ultegra Di2 - The next generation is here.
This shifting kit allows you to enter the world of electronic shifting without replacing your entire groupset.
With Ultegra Di2 technology shifting is easy and precise. Taking shifting to a new level, only a light touch is needed for the front or rear derailleur to instantaneously select the correct gear. Ergonomic design ensures an easy transition from mechanical to electronic shifting, and you’ll never look back.
This shifting kit includes:
- Ultegra Di2 ST-6770 STI Shifters.
- Ultegra Di2 FD-6770 Front Braze on derailleur
- UltegraDi2 RD-6770 rear derailleur.
- Battery
- Charger unit with EU plug.
- Derailleurs to battery internal cableset (SM-JC41).
- STI's to junction box cable.
Key Features:
Dual Control Levers:
- Similar in look to the conventional Ultegra shifters but with digital shifting, simply press to change gear - it's as easy as pressing a key on a keyboard.
- Optimised for use with super SLR brake callipers increasing stopping power.
- Lever reach adjustment to fit all hand sizes.
- Weight is 313 grams a pair (Manufacturer claimed).
Rear Derailleur:
- Aluminium link plates and body construction - extremely light and durable.
- Quick, smooth and effortless. Servo driven motion rather than spring action giving identical and precise shifting.
- 11-28T wide gear ratio capacity will cater for compact setups as well as a traditional road double.
- Weight 270 grams (Manufacturer claimed).
Front Derailleur:
- The Di2 front derailleur's operation is pioneering, smooth shifting is guaranteed thanks to a microchip communication link with the gear levers.
- The front derailleur tracks the chain position and trims automatically - requires no manual trim.
- Small to big ring changes are barely detectable with a smooth pedalling input, even on a climb.
- Braze-on front derailleur supplied, band-on adapters available separately.
- Weight 162 grams (Manufacturer claimed).
Battery Unit:
- High performance Lithium-Ion 7.4 volt battery.
- Charge time 90 minutes.
- Battery life is conservatively estimated at 1000km per charge.
Please note: Ultegra Di2 components must only be used with Ultegra Di2 and are not interchangeable with Dura-Ace Di2
