Park Tool LRT-4 Shimano Direct Mount Chainring Lockring Tool

The Park Tool LRT-4 is designed and built to remove and install Shimano direct mount chainring lockrings found on XTR 9120, XT 8120, MT900 and other Shimano direct mount systems. Precisely CNC machined from 6061 aluminium for a perfect fit and to prevent marring expensive parts.Machined flat face for optimal lockring engagementFor lockrings with 41mm outside diameter and 16 notches36mm hex drive to be used with Park Tool TWB-36 Crow Foot and a torque wrench to properly measure torque6061 aluminium construction