Shimano Dura Ace Di2 Groupset
The eagerly awaited Shimano Di2 (Digital Integrated Intelligence) is here. Evolution never stops. This new technology brings shifting to a new level. It gives you a swift, definite shift every time and in every situation. Rigorously tested to perform in all weather conditions, for all riding styles and terrain.
This video guides you through the process of installing Dura Ace Di2 7900 groupset to your bike.