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First time taking the cranks off. The bolts, chinrings and drive side came out easy. Left is stuck. Should I open, pull or do something particular for it to come out?

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  • 3
    If the first one came off without a puller it was probably too loose. Jun 2, 2015 at 16:02
  • Sounds like you're using the wrong sized hammer.
    – ShemSeger
    Jun 2, 2015 at 20:36

2 Answers 2

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You must use a Crank Arm Puller tool:

Park Tools Crank Arm Puller

Here's how to use it: Video

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In addition to the answer provided by CQH, You could also get the crank off by putting the other crank back on (not very tightly), removing the bolt from the stuck crank, and riding a bit.

The crank should fall off after a little while, especially if you do bunnyhops and other things that put a lot of torque on the cranks.

This may not work with your octalink setup. I've only done it with square tapers.

This is a hack, and I wouldn't do it if you've got expensive cranks, but it's a good option if you don't have a crank puller.

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