Shimano Expands Synchronized Shifting to Wide Product Range

EINDHOVEN, the Netherlands – The firmware for synchronized shifting which came on the market with the introduction of Dura-Ace 9100 has been made available to Ultegra 6800-series and Dura-Ace 9000.
The synchronized shifting option comes together with the new BT-DN110 battery for Ultegra 6800-series and Dura-Ace 9000. – Photo Shimano