The Park Tool LRT-2 is designed and built to remove and install the lockring that retains front chainrings found on Shimano STEPS e-bike motors.Fits Shimano STEPS E6100, E7000, E8000 and E9000 e-bike motor systemsFor lockrings with 54mm outside diameter and 16 notchesReplacement for Shimano TL-FC39 tool36mm hex drive to be used with Park Tool TWB-36 Crow Foot and a torque wrench to properly measure torqueConstructed of 4140 heat treated steel and plated for long life
The Park Tool LRT-3 is designed and built to remove and install the direct mount lockring that retains front chainrings found on some Specialized, Cannondale and FSA modular cranks.Fits chainring of Specialized, Cannondale and FSAFor lockrings with 47 48mm outside diameter and 4 or 8 notchesFits both 4 notch (FSA and Cannondale) and 8 notch (Specialized) lockrings36mm hex drive to be used with Park Tool TWB-36 Crow Foot and a torque wrench to properly measure torqueConstructed of 4140 heat treated steel and plated for long life
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