Amazon.com : SRAM Braze-on Front Derailleur Clamp: 31.8mm with ChainSpotter Stop : Front Bike Derailleurs : Sports & Outdoors
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
34.9MM Braze On Front Derailleur Clamp Adapter Aluminum Alloy 32g Road | Random Bike Parts
Campagnolo Front Derailleur Braze-On Adapter - City Bicycle Co. | Wilmington, NC
Parlee Carbon Front Derailleur Braze on Adaptor
Venzo Bike Bicycle Adjustable Braze-on Front Derailleur Adapter Clamp 34.9mm - Walmart.com
CBO Adapter Clamp for Braze-On Front Derailleur - Silver - Cambria Bike
Shimano Dura-Ace Front Derailleur Braze-On Adaptor SM-AD91 Adapter - 31.8mm w/28.6 Adapter [ISMAD91MS] at BikeTiresDirect