Fits Shimano STEPS, E6100, E7000,E8000 and E9000 e-Bike motor systems
-For lockrings with 54mm outside diameter with 16 notches
-Replacement for Shimano TL-FC39 tool
-36mm hex drive to be used with Park Tool TWB-36 Crow Foot and torque wrench
-Constructed of 4140 heat treated steel and plated for long life
-Shimano STEPS motors
-Designed and built to remove and install the lockring that retains front chainrings found on Shimano STEPS e-bike motors.
-Available for Pickup within 2 to 1 businesses days