I have just bought a bike with di2 and have no di2 knowledge. Rear mech is 6870. I want to micro adjust the rear mech but when press and hold the function button it cycles all the way through the gears and doesn't go into micro adjust mode. What am I doing wrong?
I have just bought a bike with di2 and have no di2 knowledge. Rear mech is 6870. I want to micro adjust the rear mech but when press and hold the function button it cycles all the way through the gears and doesn't go into micro adjust mode. What am I doing wrong?