High performance & tons of style guaranteed Heavily inspired by X0, with materials & technologies to meet the demands of any rider New features for the 2007 X9 Trigger Shifters include SRAMs ZERO Loss Travel™, & adjustable clamp positions, just like its bigger brother X0 The rear derailleur has also been re-designed for 2007, & features a forged B-Knuckle for enhanced stiffness, & the addition of a short cage option &8230;and for the first time, there is now a dedicated X9 Front Derail...