www.Quarterscalelegends.com

Try some old style hair spray dominick.
Whwn its wet it acts as a mild lubricant and when it dries it has adhesive properties, used by pushbike riders for years for fitting tight hand grips
Cheers
Troppo

The coefficient of thermal expansion for rubber is about 3X that of Aluminum.

Put the tire in the sun and the wheel in the refrigerator - then assemble.