Park Tool LRT-4 Lockring Tool, Shimano Direct Mount

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 aluminum for a perfect fit and to prevent marring expensive parts. - Machined flat face for optimal lockring engagement - For lockrings with 41mm outside diameter and 16 notches - 36mm hex drive to be used with Park Tool TWB-36 Crow Foot and a torque wrench to properly measure torque - 6061 aluminum construction