- Removes and installs the lockring that retains the front chainrings found on Shimano STEPS e-bike motors
- Fits Shimano STEPS E6100, E7000, E8000 and E9000 e-bike motor systems
- For lockrings with 54mm 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
