Ultegra Di2 series with electronic shifting is "pro-proven" as it is a direct trickle down from our Dura Ace group.
It stands for state-of-the-art technology, proven in pro races. The technologies used in the new Ultegra 6870 series 11 speed mean the electronic shifting does the work and lets you concentrate on your performance. ULTEGRA Front Derailleur with automatic trim function are offered to suit all cranks. ULTEGRA features Wide Link design, short and long cage Rear Derailleurs for precise and reliable shifting. Dual Control Levers with new ergonomic design for long rides and fast accurate electronic shifting.
- Buying a gearset is perfect for anyone wanting to upgrade their current drivetrain to electronic shifting.
- This version is specifically for bicycles capable of having an internal battery and cables.
- Charging is done via USB