High-performance compatibility with both 6- and 7-speed road and mountain bike systems ensures versatility for a wide range of bicycle builds.
Constructed from durable composite and steel materials, the M21 rear derailleur offers enhanced strength and longevity in demanding riding conditions.
Engineered with a super short cage for precise gear shifting and optimal chain tension, improving overall drivetrain responsiveness and efficiency.
Features a sleek black finish that complements various bike styles, from rugged mountain bikes to sleek road bikes, making it a versatile upgrade for any cycling setup.
Innovative design includes a compatible standard 10x1 derailleur mount and impressive 32-tooth largest cog capacity, accommodating wider gear ranges for versatile riding experiences.