Campagnolo Front Derailleur Braze-On Adapter - The Squeaky Wheel Bike Shop | Palmdale, CA
CAMPAGNOLO Campy Braze-on adapter #26633
Amazon.com: Campagnolo Part Derailleurs Buzz-On Clamp Adapter, 32mm, Black : Everything Else
Shimano Sm-ad15 34.9 Clamp Braze on Front Derailleur Adapter for sale online | eBay
31.8/34.9mm Bicycle Front Derailleur Adapter Hanging/locking Front Derailleur Braze On Clamping Ring Band Adapter Clamp|Bicycle Derailleur| - AliExpress
Bicycle Front Derailleur Braze on Clamp Band Adapter Aluminum Alloy 31.8/34.9mm High Quality Cycling Accessories|Bicycle Derailleur| - AliExpress
Bicycle Front Derailleur Braze-on Clamp Band Adapter Aluminum alloy 31.8/34.9mm | eBay