Top of the range, high performance Dura-Ace hydraulic disc brake and wireless Di2 STI’s give you control, modulation and power with minimal effort in all riding conditions.With Shimanos new wireless Di2 technology shifting is easy and precise – just a light touch, as soft as a mouse click, is sufficient for the front or rear derailleur to instantaneously select the correct gear.

The STI can be set up and configured via Shimanos app, and there is an LED indicator on the levers to provide visual cues about charge, setup and usage. The Dura-Ace Di2 12-Speed shifters have adjustable reach, making them perfect for all riders.

Shimano have significantly overhauled the new Dura-Ace 12-speed range and the disc brakes caliper have side access for bleeding making maintenance easier while there is now 10% wider pad clearance to reduce disc rub.