# FAQ & Trouble Shooting

## Common Questions

<mark style="color:blue;">**Q: What PSI should the wheels be inflated to?**</mark>

A: Inflate the wheels to the achieve the desired hardness. It is recommended that if used in a drive train, the out wheel should be softer than the center wheel or wheels. This helps with achieving the desired drop in the center.

## Common Issues

<mark style="color:blue;">**Issue: Not able to turn with wheels**</mark>

Possible Solutions:

1. This can be caused by having not enough center wheel drop in the drive train. If possible increased the center wheel drop distance.
2. If increasing the center wheel drop is not possible, decrease the air pressure in the outer sets of wheels and increase the pressure in the center wheels. This will do effectively the same as increasing the center wheel drop.


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