The sram x01 drivetrain carries on the tradition of srams championship winning 1x philosophyall the way down the mountain the setup is simpler the drivetrain is lighter and the shifting is fast and solid bottom line x01 is the right one for any terrain every time jaws lock on grip technology super secure as shifter and grip connect into single unit easily assembled and removed with grips included with the shifter converts to work with any grip rolling thunder ball bearing technolo