Sram call it yaw technology and it eliminates the need for shifter trim as a result shifts feel more direct more precise and combined with the new red crankset and chainrings delivers an unmatched performance advantage in front shifting yaw features 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 and combined with the new red crankset and chainring