The Cauldron wheels, released on October 16, 2017 as part of the Haunted Hallows event, are a collectible item that can be used to customize a player's battle-car. They provide no advantages while in use and are purely cosmetic.
There is a random chance to obtain the Cauldron wheels when opening the Haunted Hallows Crate. They can also be traded between players.
The Cauldron wheels are classified as Import rarity.