SRAM GX 2x11 Speed Medium Cage Rear Derailleur

Features of the SRAM GX 2x11 Speed Medium Cage Rear Derailleur Roller bearing clutch in the pulley cage pivot for better chain control Cage Lock mechanism for easy wheel changes Rear Derailleur Mount Type, 10x1 Standard Drivetrain Speeds, 11 Largest Cog, 42 Cage Length, Medium Rear Der/Shifter Compatibility, SRAM X-Actuation Chain Wrap Capacity (teeth), 46 Color, Black Weight, 286