Often asked: How To Remove Bicycle Crank Shaft?

What tools do I need to remove a bike crank?

Getting Started

  • Appropriate wrench to remove crank bolt/nut: CCW-5 Crank Wrench. Hex wrench. MW-SET. 2 Combination Wrenches. PAW-12 Adjustable Wrench.
  • Crank puller: CCP-22 for square taper cranks. CCP-44 for splined cranks. CWP-7 – universal fit.
  • Torque wrench.
  • Thread preparation: ASC-1. PPL-1.
  • Rags.

What can I use instead of a crank puller?

You can also pry the threads out or remove them by slowly threading the bolt, depending on the crank arm type of your bicycle. Use a bolt or a spanner tool to remove and loosen the washers.

Why does my crank arm keep coming loose?

If you’ve been repeatedly riding with a loose crank arm it could be that it’s now damaged. You could try tightening with lots of torque, grease on the square taper and threadlocker (e.g. blue Loctite, but in a pinch any kind of glue works) on the threads.

When should I replace my bike crank?

2 Answers

  • The threads for the pedal get stripped/damaged to the point the pedal gets undone easily.
  • The mating hole for the bottom bracket fretts and is no longer a good fit.
  • Cracked crank arm – if the mating hole wears, and is retightened enough times, the crank arm slides too far onto the bottom bracket.

How do you remove a self extracting crankshaft?

Crank Removal

  1. Leave the retaining ring of the self-extracting systems in place in the arm. Do not remove the retaining ring.
  2. Begin unthreading crank bolt using hex wrench. Continue loosening until crank arm slides off spindle.
  3. Remove remaining crank arm.
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Do you need a crank removal tool?

However, these crank retaining rings are threaded over the crank bolt, so that when the crank bolt is loosened the shoulder of the bolt presses back against the ring, which in turn slowly pushes the arm from the spindle. No additional crank removal tools are required.

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