Electronic & Hydraulic Shifting (Di2, Ui2, customisations)

FYI capacity if different from max teeth on the rear cog. Capacity is the total range it can cover - this says the wifli rear mech has a capacity of 37, so with a 50/34 you could run an 11-32 but potentially a little bigger. With a 46-34 you could run a 11-36 (with a road link).