Quick Slicks CA06 tires are designed specifically for 1:32 Carrera Classic Nascar stock (plastic) wheels.
For a complete list of cars/wheels this tire will fit, please refer to the Quick Slicks Fitment Summary which is updated on a regular basis.
Multiple silicone compounds are available - this is the X-FIRM compound (part number: CA06XF).
Outer Diameter (O.D.): .929" (23.60mm)
Width (Contact Patch): .329" (8.35mm)