Performance Trail Technology No matter what you throw at it, SRAM X9 keeps coming back for more. The all new X9 family puts the SRAM 2X10 unrivaled shift speed and smoothness within easy reach of racers and experienced enthusiasts alike. Add Avid Elixir CR brakes with TaperBore™ Technology and you have performance trail technology you can trust to smoothly and quickly get you there and back again, no matter where “there” may be. View Entire X9 Series