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The NX rear derailleur functions just like the top-of-the-line XX1 model and even features the Cage Lock system, allowing you to remove the wheel and chain more effectively.
Like the crankset, it’s 100% compatible with all other SRAM 1x drivetrains. Available only in a long cage version, it’s made almost entirely of steel and accommodates a cassette with up to 42 teeth.
