Diameter Width Axle Weight 3 3/8" (86mm) 1 3/8" (35mm) 3/16" (4.8mm) 2.6 oz. (75g) 4 1/4" (108mm) 1 3/4" (45mm) 3/16" (4.8mm) 4.8 oz. (135g) 5 5/8" (143mm) 2 1/4" (58mm) 3/16" (4.8mm) 8.5 oz. (240g) Add the realism and final detail to your J-3 Cub with Du-Bros Treaded Scale Lightweight Cub Wheels. Wheels offer lightweight rubber foam interior with tough and rugged skin for durability. Bolt on scale hubs for realistic looking "Cub" Wheel Covers. (2/pkg.)