The sram gx eagle 12 speed grip shifter three decades ago sram was founded on a product called grip shift and an idea that shifting a bike should be easier better and more intuitive the new eagletrade grip shift includes new robust internals that make it even more durable and its shifting performance more precise but just like the original it is total control in the palm of your hand only eagletrade is a complete system engineered drivetrain designed tested and proven to deliv