This stunning model features a Yaw rotating cage which maintains a consistent angular relationship with your chain, eliminating multiple shifting using trim with confusing microshifts. As a result, shifts feel more direct & more accurate in a system which works as one with the chain, crankset & chainrings. Technologies: Yaw: The front derailleur cage rotates to maintain a consistent angular relationship with the chain. Yaw eliminates the need for shifter trim. As a result, shifts feel more direct, more precise, & combined with the new RED crankset & chainrings, delivers an unmatched performance advantage in front shifting.