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SRAM X01 Rear Derailleur - 11-Speed, Medium Cage, Black/Red

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Competition grade derailleur built with carbon fiber and aluminum, featuring roller clutch pulley cage and cage lock feature for easy wheel installation. X-Horizon design is specific to single-chainring drive trains.

  • Wide-tooth, narrow-tooth pulley wheel maximizes chain control by fitting inner and outer chain links perfectly
  • X-Horizon design maintains constant chain gap across all gears and eliminates ghost shifting
  • Roller bearing clutch eliminates derailleur bounce and chain slap
  • Cage Lock feature simplifies wheel removal and chain installation
  • Must be used with SRAM 1x11 shifter and cassette
  • Cannot be used with double or triple chainrings