SRAM X1 Rear Derailleur (Black) (1 x 11 Speed) (Medium Cage) (Clutch) - 00.7518.070.000
SRAM X1 Rear Derailleur (Black) (1 x 11 Speed) (Medium Cage) (Clutch) - 00.7518.070.000, Must be used with SRAM 1x11 shifter and cassette X-Horizon design maintains constant chain gap across all gears and eliminates ghost shifting Roller bearing clutch eliminates derailleur bounce and chain slap Cannot be used with double or triple chainrings Wide-tooth, narrow-tooth pulley wheel maximizes chain control by fitting inner and outer chain links perfectly Cage Lock feature simplifies wheel removal and chain installation