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Sram Braze-On Front Derailleur Adapter
The SRAM Red Braze-on Adapter allows you to take full advantage of the new SRAM Red Yaw Front Derailleur if you have a standard down tube without a braze-on mount point. The spotter keeps your chain from falling into your bottom bracket cluster and damaging your frame, or worse -- ruining your Tour. The SRAM Red Braze-on Adapter is available in either 31. 8 or 34. 9mm clamp diameters.