Premium bicycle studio, bespoke bike builds and servicing
Making bikes faster since 2007
> Book your bike in now for a build or service <
Couldn't load pickup availability
DURA-ACE DI2 Front Derailleur Clamp Band Adapter - 28.6/31.8 mm
For installing SHIMANO braze-on front derailleurs to frames requiring a band clamp, the DURA-ACE SM-AD91 is available in 34.9, and 28.6/31.8mm sizes.
