The board is resistant to side-to-side movement.
It’s possible that your Torsion bar is not clean. Remove the bolts on either side and separate the Ripstik into two decks. Apply grease to the torsion bar and reassemble.
It’s possible that your casters may not be clean. Remove the wheels and then remove the bolt from the caster.
The wheels are resistant to rolling movement.
It’s possible that your bearings are not clean and have not been lubricated properly are on. Remove the bearings, clean the bearings out using a citrus-based cleaner, and add a few drops of skateboard lubricant to the bearings.
