Du-Bro Treaded Lightweight Cub Wheels (1/5 Scale) Part No: 338TLC. Add the realism and final detail to your J-3 Cub with Du-Bro`s Treaded Lightweight Cub Wheels. These J-3 Cub Wheels offer bolt together hubs and realistic looking Cub wheel covers. Available in three sizes, these lightweights feature a foam interior, yet have a tough and rugged exterior skin for durability. These great looking wheels can be used without the Cub caps to give any vintage or tundra style aircraft an authentic look. These also have many more applications in school projects and various crafts.