Shimano Di2 Ultegra ST-6770 shift and brake lever pair for Shimano's electronic Di2 gearshift and mechanical brakes.
Thanks to programmable software, the Shimano ST-6770 levers can be operated with 10-speed Ultegra Di2 as well as 11-speed Ultegra Di2 and Dura Ace Di2. It is also no problem to combine your cross or gravel dropbar bike with a universal 1x crank and Shimano's MTB mountain bike XT Di2 or XTR Di2.
Whether Shimano GRX, Ultegra / Dura Ace or XT / XTR, the levers can be combined with all Di2 parts except 79xx.
Current software required.
New, never installed.
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