SRAM GX Rear Derailleur - 10 Speed, Medium Cage, Black

GX derailleurs take the place of X.9 and X.7 10-speed models.Features-Roller bearing clutch in the pulley cage pivot for better chain control-Cage Lock mechanism for easy wheel changesItem 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