The PRO Lockring Tool is engineered for efficient cassette installation and removal, delivering precise engagement and dependable leverage for drivetrain maintenance. Designed for compatibility with 11-speed systems and beyond, it provides reliable performance for both home mechanics and professional workshops. A hardened steel construction ensures long-term durability, while the extended handle improves torque application for stubborn lockrings. The ergonomic grip enhances comfort and control during use, making cassette service smoother and more efficient. Key Features: 11-Speed Compatible – Designed primarily for 11-speed systems while maintaining broad cassette compatibility. Hardened Steel Construction – Built for strength, durability, and long-term workshop use. Ergonomic Grip Design – Improves comfort and control during high-torque applications.