First Look: Shimano Di2 Dura-Ace and Ultegra groupsets – the end of mechanical Ultegra Posted on 31/08/2021 by Eric Thompson learn more [tubepress video=”noc-iQ57Z3s” title=”false” length=”true” description=”true” descriptionLimit=”0″] Views: 1 See also Never stop. #bike #cycling #cyclingtips #roadcycling #endurance #bici #ciclismo #cyclingtraining