The Finny wheels, released in the Elevation Crate, in Patch v1.53, 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 get them from the Elevation Crate, or by trading up 5 very rare items from the same crate. They can also be traded between players.
The Finny wheels are classified as Import.