SM-AD91 Clamp Band 28.6/31.8mm Dura-Ace Di2 Braze-on Adapter
For installing Shimano braze-on front derailleurs to frames requiring a band clamp
• Clamp band diameter: 28.6/31.8 mm
Model No: SM-AD91
Clamp band diameter (mm)_28.6: ✔
Clamp band diameter (mm)_31.8: ✔
In response to surging demand for global environmental preservation, bicycles now attract attention as the most eco-friendly means of transport. Shimano are dedicated to supply high-quality and high-performance components for different types of bicycles made in various countries and regions of the world, ranging from bicycles for the world’s top racers to daily users.