Kyosho
Kyosho High Grip Tire Set (4) (20 Shore) (KYOMZW2-20)
Choose from 20, 30, 40, 50 or 60 Shore compounds (softest to hardest). Use different compounds to tune the level of traction for various track conditions; softer when you need more grip and harder when you want less grip. These tires must be used with 8.5mm wide wheels.