SunRace MZ6 12-Speed MTB Cassette, Black, HG-Spline, 11-51T

• Wide-Ratio 12-Speed Cassette (11-51T) – Offers a broad gear range suitable for gravel, e-bike, and MTB applications. The 11-51T spread provides excellent climbing capability and smooth cadence control on varied terrain
• Durable Steel Spider Construction – Built with hardened steel sprockets mounted on robust steel spiders for enhanced longevity and resistance to wear, even under high torque loads
• Alloy Lockring for Secure Fit – Includes a precision-machined alloy lockring that ensures secure installation and reliable performance during aggressive riding
• Lightweight Design – Despite its rugged build, the cassette maintains a competitive weight, making it suitable for performance-focused riders who demand durability without excess mass
• Shimano HG-Spline Compatibility – Designed to fit standard Shimano HG freehub bodies, for use with 12-speed drivetrains

Engineered for riders who demand smooth transitions and dependable performance, this 12-speed wide-ratio cassette delivers the range and reliability needed for everything from steep climbs to fast descents. Whether you're upgrading your drivetrain or building a versatile setup, its a solid choice for gravel, MTB, and e-bike applications. Key Features: Wide-range gearing options for versatile riding Fluid Drive Plus for seamless gear transitions Compatible with standard Shimano HG 12x freehub bodies Durable construction with a clean, metallic finish Technical Specifications: Material: Steel sprockets, steel spiders, alloy lockring Speeds: 12-speed Freehub compatibility: Shimano HG 12x Weight: 689g