Shimano Ultegra Di2 6870 11 speed Electronic Groupset

We will email you to confirm:

  • Crank length: 170, 172, 175, 177, or 180mm
  • Chainring sizes: Standard 53/39 or Compact 50/34
  • Front derailleur type: Braze-on, 34.9mm clamp, or 31.8mm clamp
  • Bottom bracket type: 68/73 BSA, Italian, PressFit30, BB30, BB86/92, BB90/95
  • Cassette range: 11-21, 11-23, 11-27, 11-28, or 12-27
  • Wiring kits required


Let us know what frame this kit is going on to, so we can be sure to get the right parts for you.

Contact us¶ÿif you have any questions.

Frames & Forks


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