I just saw an article in SCI about new tires from Super Tires for 1/24th cars, BRM and Scaleauto. They will be making silicone and urethane tires to fit the stock wheels. BRM tires are ST-014. Scaleauto tires are ST-4043. "Scaleracing" will be selling them for $9.99. (132slotracar.us/store)