It's recommended to buy all 3 bottles this way you will be prepared for any track conditions you may encounter.

Clear: This is used to open up the pores of the tire to allow the tire traction to penetrate deeper into the tire. For maximum traction use the clear formula prior to applying the red or gold formula.

Red: This formula works great in most conditions and on any rubber compund or tire brand.

Gold: This formula is more aggressive. It works especially well when the track has moisture or when the track temperature is cold.