The Di2 Front Derailleur Clamp Band Adapter is available in two sizes: 31.8/28.6mm (SM-AD91-MS) and 34.9mm (SM-AD91-L).
It allows the user to fit the R9150 and R8050 Front Derailleurs to a frame without braze-on mounts.
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Twelve-speed Di2 Front Derailleurs do not have any limit bolts, so installing the derailleur and setting the limits is different from what you're used to. Don't worry, though, it's easy! I'll show you how to install the 12-speed Di2 front derailleur, and set its limits and micro-adjustment.
Bought a new Di2 derailleur or have to replace your old one? Read FD-rx815 / FD-R8150 / FD-R9150 Di2 Front Derailleur installation instructions here.
Bought a new Di2 derailleur or have to replace your old one? Read FD-6870 / FD-9070 Di2 Front Derailleur installation instructions here.
