Shimano Ultegra FD-6870

Precision actuators move the cage swiftly and smoothly for fast, silent, and accurate front shifts every time
Programmed automatic trimming function
The support bolt creates a rigid platform for the FD to move the chain to the outer chainring. (Keeps correct alignment, even when under high pedaling torque.)

Material: aluminium, composite
Weight: approx. 155 gram (braze on)
Construction type/Clamp diameter: brazed-on (clamp only with separate adaptor)
Max. chainring: 53 teeth
Chainwheel number: 2
Fitting for derailleur: 2x11
Overall capacity: 16 teeth

Available technical data: