Amazon.com : Front Derailleur Clamp, Adjustable Braze On Front Derailleur Adapter Clip Aluminium Alloy for Road or Mountain Bike Bicycle(31.8mm / 1.25inch) : Sports & Outdoors
Parlee Carbon Front Derailleur Braze on Adaptor
Problem Solvers Braze-on Adaptor Clamp - Black - Cambria Bike
Amazon.com : Venzo Road Or Mountain Bike Bicycle Adjustable Braze On Front Derailleur Adapter Clamp 28.6mm Compatible with Shimano Sram : Sports & Outdoors
Braze-on Adaptor Clamps | Shifters & Derailleurs | Problem Solvers
Bicycle Front Derailleur Braze on Clamp Band Adapter Aluminum Alloy 31.8/34.9mm High Quality Cycling Accessories|Bicycle Derailleur| - AliExpress
Venzo Bike Bicycle Adjustable Braze-on Front Derailleur Adapter Clamp 31.8mm - Walmart.com