> For the complete documentation index, see [llms.txt](https://docs.wcproducts.com/welcome/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.wcproducts.com/welcome/gearboxes/1-motor-gearboxes/misc/faq-and-trouble-shooting.md).

# FAQ & Trouble Shooting

<mark style="color:blue;">**Q: If used in the drivetrain, what wheel size should I use?**</mark>

A: Any 4" wheel will work. Going any larger than 4" will run the risk of not having enough reduction.

<mark style="color:blue;">**Q: Can I use other motors besides the Kraken X60?**</mark>

A:  Yes, any motor with a 2" bolt circle is compatible. This includes CIMs, Mini CIMs, and NEOs.


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