The MZ800 12-Speed Index Cassette is a versatile, wide-range cassette designed to bring smooth, dependable shifting and expansive gear options to your 1×12 drivetrain. With a broad gear spread, it provides easy climbing ratios and solid top-end speed, giving you confidence on steep trails, rolling terrain, and everything in between.

The MZ800 12-Speed Index Cassette combines hardened steel sprockets with alloy spacers to achieve optimal strength-to-weight equilibrium. Its indexed mechanism delivers precise, responsive gear engagement even under pedalling loads, eliminating hesitation during critical transitions. Designed for HG 12-speed freehub compatibility, installation integrates seamlessly into existing drivetrain systems across mountain, gravel, and adventure platforms. This versatile component provides dependable shifting performance without requiring specialised tools or extensive mechanical knowledge, making it an accessible upgrade path for riders seeking modern drivetrain capability.

Specifications:

• Optimised for Shimano 12 speed transmissions
• 3 alloy and 9 steel sprockets
• Range: 11-13-15-17-19-21-24-28-33-39-45-51