Shimano SM-AD91-L Dura Ace Clamp Band Adapter 34.9mm

Shimano SM-AD91-L CLAMP BAND 34.9mm DURA-ACE Di2 BRAZE-ON ADAPTER DURA-ACE 2016

DURA-ACE DI2 Front Derailleur Clamp Band Adapter - 34.9 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.

• Clamp band diameter: 34.9 mm