Problem Solvers Braze-on Adaptor Clamp - Black - Cambria Bike
FSA FD-CP-BAZ Road Bike Front Derailleur Braze On Clamp Adapter 34.9mm | Random Bike Parts
Amazon.com : Venzo Road Or Mountain Bike Bicycle Adjustable Braze On Front Derailleur Adapter Clamp 28.6mm Compatible with Shimano Sram : Sports & Outdoors
Venzo Adjustable Braze On Front Derailleur Adapter Clamp for Shimano Sram | eBay