Nexx Racing's Optional/Replacement FRONT 8.5mm SLICK Racing TIRES. RS1; SOFT Compound, and RM2 Medium Compounds are EXCELLENT tires, used by professionals, all over the world in club racing and competition racing! Nexx Racing's commitment to you satisfaction is to package (4) tires per package for just $ 6.99 and to provide tire selection to all class's of racers, chassis and levels. get your today!