Shimano SM-AD91-MS Clamp Band Adapter

The Shimano SM-AD91-MS Clamp Band Adapter is designed to facilitate the installation of Shimano braze-on front derailleurs onto frames with seat tube diameters of 28.6mm (1-1/8″) or 31.8mm (1-1/4″), commonly referred to as medium size.

• Versatile Compatibility: This adapter is compatible with Shimano’s Dura-Ace Di2 FD-R9150 front derailleurs, enabling seamless integration with frames lacking a braze-on mount.
• Durable Construction: Crafted from high-quality materials, the SM-AD91-MS ensures reliable performance and longevity, even under demanding cycling conditions.
• Sleek Design: The adapter’s design maintains the aesthetic integrity of your bicycle, providing a clean and professional appearance.

Product Specifications

• Model: SM-AD91-MS
• Clamp Band Diameter: 28.6mm (1-1/8″) and 31.8mm (1-1/4″)