Crank Lockring Tool For Shimano Direct Mount Chainring System
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Crank Lockring Tool for Shimano Direct Mount Chainrings
Service your compatible Shimano direct-mount chainring system with a dedicated crank lockring tool. Designed for 41mm lockrings with 16 notches, this tool uses a 1/2-inch driver. It removes and installs lockrings.
Whether you're replacing a chainring or preparing your crankset for maintenance, match the tool to the lockring first.
- Application: Shimano direct mount chainring lockrings.
- Lockring fit: 41mm outer diameter with 16 notches.
- Listed models: 9120, 8120 and MT900.
- Drive size: 1/2-inch.
Check before ordering: Confirm your crankset model, lockring diameter and notch pattern match the listed specifications. Follow Shimano’s service instructions and specified tightening torque when installing the lockring.
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