Park Tool's LRT-4 Lockring Tool Shimano® Direct Mount on it's side, click to enlarge
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Item # LRT-4

/ Tools / Crank & Bottom Bracket

Lockring Tool — Shimano® Direct Mount

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 aluminum for a perfect fit and to prevent marring expensive parts.

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LRT-4 Features

  • Machined flat face for optimal lockring engagement
  • For lockrings with 41mm outside diameter and 16 notches
  • 36mm hex drive to be used with Park Tool TWB-36 Crow Foot and a torque wrench to properly measure torque
  • 6061 aluminum construction

Parts & Accessories


36mm Crow Foot

LRT-4 Lockring Tool - Shimano® Direct Mount