Sram x9 2x10sp trigger shifter srams 2x10 and 3x10 exact actuation for precise and dependable 10 speed performance exact actuation when we launched our road technology from scratch we reapplied our mtb proven sram 11 actuation ratio shifter cable travel derailleur movement for 10 speed rear shifting ea helps to simplifystabilize the uneasy act of balancing rear derailleur hanger design tight cog spacing and exact cable tension the result the easiest index shifting system to set up an