Park Tool LRT-1 Lockring Tool

The Bikesmiths Verified independent store

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Fits Bosch® Active Line (chainrings less than 20 teeth), Performance Line and Performance Line CX models For lockrings with 50mm outside diameter and 8 notches Replacement for Bosc h® 0275009003 tool Torque wrench compatible 3/8" square drive Constructed of 4140 heat treated steel and plated for long life 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. Show more