Shimano Dura Ace 9000 Mechanical Overview
By Jim Weaver, Service Manager, Fit Werx, VT. As I mentioned in a recent posting about the available upgrades to Ultegra Di2, I recently attended a product introduction and tech seminar put on by Shimano. The main focus of this introduction and seminar was the new, completely redesigned Shimano Dura Ace 9000 mechanical group. …