Introducing Pro-Line's ready-made Bald Eagle 2.2"/3.0" slick tires for 1:10 Short Course. Many indoor off-road racetracks now have crazy amounts of traction eliminating the need for traditional treaded tires. Pro-Line's Bald Eagle tires are made specifically for racers currently running full slick tires, saving time and effort from having to grind treaded tires down.