Park Tool LRT-1 Lockring Tool for Bosch Gen 2

Precisely machined for a perfect fit, this 8-notch tool removes and installs the lockring that retains front chainrings found on Bosch Gen 2 e-bike motors after the crank arm is removed.

Features of the Park Tool LRT-1 Lockring Tool:

• fits Bosch Active Line (chainrings less than 20 teeth), Performance Line and Performance Line CX models
• for lockrings with 50 mm outside diameter and 8 notches
• replacement for Bosch 0275009003 tool
• torque wrench compatible 3/8 inch square drive
• constructed of 4140 heat treated steel and plated for long life