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# Crank Arm Removal for all Cyrusher Models

This article is dedicated to showing you how to remove the crank arm in case you need to replace it or check the PAS sensor.

We have a detailed video showing all the steps:
https://www.youtube.com/watch?v=KZKj8auQbh4&t=40s

The tool you need is a crank puller:
https://www.amazon.com/Bikehand-Bicycle-Crankset-Remover-Removal/dp/B00BZGVZIO/ref=sr_1_7?crid=PMS7KTF9QQ6O&keywords=crank+puller&qid=1659022782&sprefix=%2Caps%2C1104&sr=8-7

![](https://storage.crisp.chat/users/helpdesk/website/f647b0a9af965000/image_n99w4y.png)

After removal of the crank arm, you can take out the PAS sensor:

![](https://storage.crisp.chat/users/helpdesk/website/f647b0a9af965000/image_1spu0ht.png)