Park Tool LRT-3 Lockring Tool on its side, click to enlarge
More Images

Item # LRT-3

/ Tools / Crank & Bottom Bracket

Lockring Tool

Precisely machined for a perfect fit, the LRT-3 removes and installs the lockrings that retain direct-mount chainrings found on some Specialized®, Cannondale® and FSA® modular cranks. Features a 36 mm hex fitting for use with the Park Tool TWB-36 Crow Foot and a torque wrench (each available separately) to achieve proper torque. Heat-treated and plated 4140 steel construction ensures durability and long life.

View Product Details

LRT-3 Features

Fits lockrings with 47–48 mm outside diameter and 4 or 8 notches including:

  • Cannondale® Hollowgram
  • FSA® BB386EVO
  • FSA® BB392EVO
  • FSA® MegaExo
  • Specialized® S-Works

Parts & Accessories


36mm Crow Foot

LRT-3 Lockring Tool