The Shimano SM-AD91 Front Derailleur Collar in 34.9mm is a versatile adapter designed to mount Shimano braze-on front derailleurs to frames that require a band clamp. This adapter ensures compatibility between your frame and front derailleur, allowing you to install high-performance components like Dura-Ace and Ultegra Di2 derailleurs.
Key Features:
- Compatibility: Designed for installing Shimano braze-on front derailleurs to frames requiring a band clamp
- Sizes: Available in 34.9mm and 28.6/31.8mm sizes for various frame diameters
- Derailleur Compatibility: Compatible with Dura-Ace Di2 and Ultegra Di2 braze-on front derailleurs
- Material: Durable construction for reliable performance
- Easy Installation: Allows for quick and secure mounting of front derailleurs to frames without braze-on sockets
Who is it for?
The Shimano SM-AD91 Front Derailleur Collar in 34.9mm is designed for cyclists who have frames that require a band clamp for their front derailleur, but want to use high-performance Shimano braze-on derailleurs like Dura-Ace Di2 or Ultegra Di2.
Specifications
Mounting Position
Compatibility
Weight
Material
Torque Setting
Biodegradable
Bottom Bracket
Compatible Chains
Lubricant Type
Length
Volume
Manufacturer Warranty
Manual
Cage Length
Total Capacity
Low Sprocket Max
Shifting Actuation
Speed
Number of Chainrings
Top Sprocket Min
What's Included
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