The Shimano Dura Ace Di2 groupset is a staple part of professional cycling. We’ve seen it used and take victories at the highest calibre of racing; grand tours, classics and world championships.
Subscribe to GCN:
Get exclusive GCN gear in the GCN shop!
Thanks to Shimano for the products used in this video. All views expressed in this video are the presenters own views.
Simon Richardson talks you through the changes and development we’ve…