Discover the precision-engineered chainring lockring tools from Park Tool, designed specifically for e-bike enthusiasts and professional bike mechanics. Crafted with high-quality materials for durability and longevity, these tools feature industry-leading performance and advanced engineering to ensure secure and accurate lockring installation and removal. Compatible with a range of popular e-bike motor systems, including Bosch Active Line, Performance Line, and Performance Line CX, as well as Shimano STEPS models like E6100, E7000, E8000, and E9000, these lockring tools are essential components for maintenance, repair, and customization of your e-bike drivetrain. Each tool showcases specialized components such as precisely machined notches and sturdy 3/8″ drive interfaces, enabling seamless integration with compatible torque wrenches and crowfoot adapters for professional-level torque measurement and application. Their innovative design features fit lockrings with specific dimensions50mm or 54mm outside diameters with 8 or 16 notchesmaking them versatile solutions for a wide range of e-bike models. Whether you’re engaged in routine servicing or detailed upgrades, these lockring tools deliver reliable performance, ease of use, and optimized efficiency. Upgrade your toolkit today with Park Tools premium chainring lockring toolsbuilt for durability, precision, and peace of mind.