# FAQ & Trouble Shooting

<mark style="color:blue;">**Q: What size wheel does this gearbox support?**</mark>

A: This gearbox supports wheels from 3.25" to 6".

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

A: Yes, this gearbox is also compatible with NEOs and any other motor with a 2" bolt circle and 60mm outer diameter.


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