SRAM's best, the pro's choice. Offering forged aluminum and titanium reinforced carbon composite and advanced engineering. X0 are just lighter, stiffer and smoother. Weighing in at 225 grams / pair. The patented 1:1 Actuation Ratio offers precise indexing and control throughout it's 9 speed offering and is compatible with SRAM 1:1 rear derailleurs, SRAM or Shimano front derailleurs.
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