This sealed bearing kit is designed for the Arrma Big Rock 3S BLX V3, providing a ready-to-install set of bearings to refresh the drive system and keep the model running smoothly.

Bearings sizes can vary depending on your exact model, production date, and any hop-ups installed, so it’s important to verify compatibility before ordering. The kit is updated as needed, and if you notice any variation or error, please contact support so it can be reviewed and corrected.