The sram shifter xx1 eagle trigger 12 speed sram rear with discrete clamp tucked neatly beneath your handlebars the xx1 eagletrade x actuationtrade trigger shifter is the nerve center of the eagletrade drivetrain its internal works have been updated to include a 12th gear and improved to enhance trigger feel precision and durability whether yoursquore 3 laps into your race or 150 days into your season the xx1 eaglet