Answer to biking prayers…the new Shimano Ultegra Di2


This is the answer to all of us who want electronic shifting but can't afford it. Shimano takes the next step and announces a lower cost version with the Ultegra Di2. It allows fora  28 tooth gear in the rear which is good. It has the sizes we want:

  • standard Ultegra with chainset options of 52/39, 53/39 and 50/34
  • arm lengths of 165,170,172.5 and 175mm.
  • Weight-wise its 790g including the bottom bracket (788g for the compact 50/34)
  • Shimano cassette choice is from 11-23,12-23,11-25,11-28\

So this is a great choice for gearing (53/34 and 11-28 combination).

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