Shimano Ultegra Di 2 Groupset Ultegra Di 2 series with electronic shifting is pro-proven as it is a direct trickle down from the Dura Ace group. It stands for state-of-the-art technology, proven in pro races, the technologies used in the new Ultegra 6870 series are perfect for the racer or enthusiastic weekend rider. The big advantage of using a Di 2 groupset is that the gearing self-aligns whilst being used, & is fully supported by the Shimano E-tube programme which means that you can fine tune & run diagnostics. This can be downloaded for free from Shimano here Using the Di 2 system will ensure that you & your bicycle are performing in harmony together. This ' Internal' groupset is specifically for bicycles that are compatible with the internal system. Please contact your frame supplier if any doubts regarding fitment Key Features 11 Speed Internally routed cables for smooth, clean looks 5 port Junction Box allows the fitment of TT shifters If selecting 11-32 cassette, ensure you select a Medium cage derailleur Direct-Mount Brakes only compatible with frames that require this style of fitment
Includes:: all cables required for fitment Please do a software software upgrade of the system once installed to ensure you are running the latest available