Aluminum Front Derailleur Adapter Braze-On Converter 34.9mm / 31.8mm

Upgrade your bike’s front derailleur setup with the ZTTO Aluminum Clamp Adapter, designed to convert braze-on derailleurs to fit 31.8mm or 34.9mm seat tubes. Made from lightweight, durable alloy, it provides a secure and precise mounting solution for road and folding bikes. Perfect for frame compatibility issues, easy to install, and built for long-lasting performance.