Viper precision machined billet racing wheels. These Narrow double flange wheels are built to the highest standards, everything from the material to the concentricity. This means a smoother, faster and lighter wheel. These rims will fit most HO slot cars and are recommended to be used with a .059” rear axle. The rim diameter is .250” and the width between flanges is .200” These rims work with all narrow tires. Available as 1 pair or 5 pair.