Clamp on adapter to allow use of a braze on front derailleur on your bike.
Bike Derailleur Clamp 31.8mm/34.9mm Aluminum Alloy Bicycle Trigger Clamp Front Derailleur Adapter Clip for Braze-on Front Derailleur
NOS/NIB Campagnolo Record #DC12-RE5B 35mm Adapter Clamp for braze-on front der.
(31.8mm/1.25in)Bike Front Derailleur Adapter Clamp Ring Braze On To Clamp VA
Bike Derailleur Clamp, Alloy Braze on Front Mech Derailleur Clamp For Mountain Bike Road Bike (31.8mm-Black)
Venzo Road Mountain Bike Bicycle Adjustable Braze On Front Derailleur Adapter Clamp 34.9mm Silver Compatible with Shimano Sram
31.8/34.9mm Bike Adjustable Braze On Front Derailleur Adapter Clamp
