Quick Answer: How To Remove A Crank Shaft On A Bicycle?

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.

What is a crank puller?

Crank pullers are used for the removal of basic three-piece crank types: square-type spindle arms, and splined-type spindle arms. When the spindle end is no longer recessed inside the hole, the crank bolt can not apply pressure to hold the arm tight on the spindle. A worn crank will need to be replaced.

Are crank pullers universal?

The universal design of the CWP-7 has a rotating tip pressed into each end of the tool (11.3mm and 16.3mm) so it will remove both square taper and splined (ISIS Drive™, Octalink®) crank arms.

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