How to Use a Lock Ring Removal Tool

Learn from Sportsmith with this video how to remove a lock ring from a bottom bracket assembly using a lock ring tool. The bike in our video example is a LeMond Revmaster.


  Tech Tip

To complete this procedure you will need to have already removed the crank arm bolt and the crank arm from your indoor cycle.


  1. The tool has 3 notches that will line up with the lock ring.
  2. Once you have the tool aligned with the lock ring turn the lock ring counterclockwise to loosen it.
  3. This can be difficult depending on the amount of rust that has built up on the threads.
  4. Once it is loosened you should be able to remove the lock ring completely.
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