Ask a Mechanic: Di2 Wire Installation Ask a Mechanic: Di2 Wire Installation Greg O'Keeffe2015-12-15T15:03:03-08:00 Kyle writes, “I just got a new Di2 group for my road bike and Ask a Mechanic: Di2 Wire InstallationGreg O'Keeffe2015-12-15T15:03:03-08:00