Sram gx 1000 2 x11 speed chainsetthe sram gx 2x crankset delivers consistent performance every time out featuring srams x glide chainrings the gx crankset is engineered for 2x shifting performance when paired with our wide range 10 42 cassette and gx 2x rear derailleur gx 2x11 provides the widest range of gears ever offered on a 2x drivetrain imagine being able to shift smoothly at any time no matter what were talking full power shifts up down whatever the trail demands the benefit o