Park Tool LRT-4 Lockring Tool

Removes and installs Shimano direct mount chainring lockrings found on XTR 9120, XT 8120, MT900, and other Shimano direct mount systems.

For lockrings with 41 mm outside diameter with 16 notches
36mm hex drive to be used with Park Tool TWB-36 Crow Foot and a torque wrench to properly measure torque