https://www.cyclingnews.com/news/fsa-electronic-groupset-spotted-at-tour-de-france/
FSA electronic groupset spotted at Tour de France | Cyclingnews
Jul 21, 2015 - Photo gallery of prototype groupset given to Etixx, Cofidis, Bora and Tinkoff-Saxo for testing
tour de franceelectronic groupsetfsaspottedcyclingnews
https://www.answers.com/individual-sports/What-are-the-key-features-and-benefits-of-the-shimano-electronic-groupset
What are the key features and benefits of the Shimano electronic groupset? - Answers
The key features of the Shimano electronic groupset include precise and smooth shifting, customizable settings, wireless connectivity, and automatic...
the key features