Quick Slicks BR15 tires are designed specifically for 1:24 BRM Trans Am stock 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: BR15XF).
Outer Diameter (O.D.): 1.118" (28.40mm)
Width (Contact Patch): .482" (12.25mm)