New Shimano Dura-Ace and Ultegra Di2 Groupsets: Wireless 12-Speed Electronic Shifting for Disc or Rim Brakes

Long awaited, the new Shimano Dura-Ace and Ultegra groupsets come with 12 speeds, a refined drivetrain that is faster, with slightly revised ergonomics and improved braking that is easier to maintain. They […] Read more →