BFGoodrich The BFGoodrich g-Force T/A Drag Radial, as the name states, is a radial-construction-based drag tire. The rubber compound is designed from the outset for drag racing, as is the wide/flat tread pattern that promotes traction by putting more rubber in contact with the track surface. Two full-width steel belts keep the tire stable at speed. Sizes range from 14- to 18-inch rim diameters. This is the tire that really kicked off the drag radial market, and it is often used on both drag cars and high-horsepower street cars alike.