The Park Tool E-Bike lockring tool is designed and built to remove and install the lockring that retains front chainrings found on Bosch Gen 2 e-bike motors.
Features:
- Fits Bosch Gen 2 Active Line, Performance Line, and Performance Line CX
- Compatible with lockrings measuring 50mm outside diameter and 8 notches
- Integrated 3/8″ drive fitting for proper torque specifications
This product is expected to become available for purchase on Friday, August 21, 2026













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