GX derailleurs take the place of X.9 and X.7 10-speed models. Roller bearing clutch in the pulley cage pivot for better chain control. Cage Lock mechanism for easy wheel changes. Item Specifications: Color, Black, Weight, 239, Largest Cog, 36, Chain Wrap Capacity, 35, Cage Length, Medium, Drivetrain Speeds, 10, Rear Der/Shifter Compatibility, SRAM Exact Actuation, Rear Derailleur Mount Type, 10x1 Standard,.
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