SRAM XX1 Rear Derailleur – 11 Speed Medium Cage Black

SRAM XX1 Rear Derailleur – 11 Speed Medium Cage Black. Professional grade derailleur built with carbon fiber and aluminum featuring roller clutch pulley cage and cage lock feature for easy wheel installation.

• 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 1×11 shifter and cassette
• Cannot be used with double or triple chainrings

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