Shimano Ultegra Di2 ST-6770 2x10/11-speed shift levers set 03002309

The Shimano Ultegra Di2 ST‑6770 is designed for road bikes using the electronic Di2 groupset from the 6770 series. It is suitable for cyclists seeking smooth and precise electronic shifting combined with reliable mechanical brake control. Ideal for sporty and long-distance road riding.

• Front and rear derailleurs:
  – Compatible with Shimano Ultegra Di2 6770 (FD‑6770, RD‑6770).
  – Can also work with other Di2 series in certain configurations.
  
• Brakes:
  – Mechanical road brakes (Super SLR).
  
• Wiring:
  – Uses SD50 E‑Tube cables.
  
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• Installation:
  – Mount the controls on the handlebar using the clamps, positioning them comfortably according to the brake reach.
  – Connect the SD50 electronic cables and route the brake cables according to the Shimano manual.
  – Check the lever reach adjustment for optimal comfort.
  
• Use and maintenance:
  – Keep the brake cables clean and check for wear.
  – For the electronic part, periodically check the firmware via E‑Tube Project.
  – Clean the rubber hoods only with a mild soapy solution.

• Are brake cables included in the set?
  Yes, two brake cables are included with lengths of 670×800 mm and 1250×1400 mm.
  
• Does this model work with mechanical derailleurs?
  No, the ST‑6770 is fully electronic and works only with Di2 front and rear derailleurs.
  
• Does it support wireless shifting?
  No, this model uses a wired Di2 system (SD50).