Much More Sap tire conditioner
Much More have released 2 versions of their new odorless tyre conditioner called Blue Sap and Red Sap that has been specifically designed to provide the best grip for rubber tires on carpet tracks. The blue sap provides more grip than the red sap and both can be applied using the supplied brush, just apply a few minutes before the race and wipe off the excess.
Source: Much More [much-more.co.kr]