Experience the ultimate in versatility with these premium 12-speed cassettes designed for the modern cyclist. Whether you're sprinting on flat roads or tackling steep inclines, these cassettes offer a range of gear ratios to optimize your performance.Refined 12-step gear combination ensures peak efficiency and acceleration in every riding situation.Compatible with both new 12-speed and road 11-speed freehub bodies for seamless integration.Designed to work flawlessly with HG 12-speed chains, providing reliable shifting and durability.