Sram X9 Carbon 10 Speed Mountain Bike Rear Derailleur

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.SRAM Exact Actuation for precise and dependable 10 speed performance. Carbon and alloy cage makes it light and tough 204 grams for medium cage.