Features of the 2012 SRAM Red Braze-on Yaw Front Derailleur Derailleur Capacity, 16 Weight, 74 Front Der/Shifter Compatibility, SRAM Yaw Front Derailleur Style, Traditional Double or Triple, Double Drivetrain Speeds, 10 Front Derailleur Clamp, Braze-on Max Ring (teeth), 55 Front Derailleur Cable Pull, Bottom Pull