The SRAM Force Front Derailleur achieves the critical balance between positive down-shifts & light-action up-shifts. Key
Features: Shifts perfectly with both traditional-size chainrings as well as the popular compact-size ring sets.
Material: Aluminium / steel cage. Compatibility: 53/39T, 50/36T, 50/34T, max 16T. Fitting: Braze-on. Weight: 88g (Manufacturer claimed).