'Weight : 280g (pair)  Speeds : 11-speed rear and 2-speed front  Compatibility :  SRAM RED® & Force Yaw™ front derailleurs, Exact Actuation™ rear derailleurs  Recommended Group : SRAM RED®  Technology Highlight(s) : Yaw™/ DoubleTap™/ Zero-Loss™ on front & rear/ ErgoDynamics&...