Sram x9 3x10 low direct front mechfrom steep endless climbs to hair raising technical descents x9 is engineered to handle whatever comes your way smooth precise shifting helps you cover more ground faster whether youre sprinting for the finish or tackling an all day epic your best ride starts with x9 features exact actuation when sram launched their road technology from scratch they reapplied their mtb proven sram 11 actuation ratio shifter cable travel derailleur movement for 10