SRAM XX1 Rear Derailleur - 11 Speed, Medium Cage, Black

Colorado CyclistUp to 80% off through Dec 31$355Buy

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From Colorado Cyclist

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 1x11 shifter and cassette Cannot be used with double or triple chainrings