SRAM NEW RED FRONT DERAILLEUR ADAPTERSometimes you get a good SRAM front derailleur that is braze-on and then you have a frame that uses a clamp-style front derailleur. Instead of going out to get a new front derailleur, you can use a front derailleur adapter that will add a braze-on mount to just about any frame. The SRAM New Red Front Derailleur Adapter is a front derailleur adapter for frames without a braze-on front derailleur mount.FeaturesAdapts clamp-style frames so they can use braze-on front derailleursComes in two sizes including 31.8mm and 34.9mm | SRAM New Red Front Derailleur Adapter 31.8mm Adapter