Put your finger on the pulse of sharp dependable shifting with the sram x1 x actuation trigger shifter built for precise and swift shifting across our wide range 11 speed cassette the x1 trigger shifter brings championship technology to every ride matchmaker x integrated the matchmaker x clamp is more than just a clamp its like having martha stewart tidy up your cockpit since each clamp accepts up to three controls you can put everything from your xloc suspension lockout your sram shif