Park Tool LRT-3 Lockring Tool on its side, click to enlarge
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Item # LRT-3

/ Tools / Crank & Bottom Bracket

Lockring Tool

Designed and built to remove and install the direct mount lockring that retains front chainrings found on some Specialized®, Cannondale® and FSA® modular cranks.

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LRT-3 Features

  • Fits chainring of Specialized®, Cannondale® and FSA®
  • For lockrings with 47–48mm outside diameter and 4 or 8 notches
  • Fits both 4 notch (FSA® and Cannondale®) and 8 notch (Specialized®) lockrings
  • 36mm hex drive to be used with Park Tool TWB-36 Crow Foot and a torque wrench to properly measure torque
  • Constructed of 4140 heat treated steel and plated for long life

Parts & Accessories


36mm Crow Foot

LRT-3 Lockring Tool