1. Easy to install, simpler to mount and remove compared to solid tires, saving time and improving your efficiency. Compatible with a variety of tires of the same model. Check the images before ordering to confirm tire size and compatibility. 2. Made from quality rubber material, ensuring the combination of different materials to extend tire lifespan. The rubber features an tread surface, providing fertility, slip resistance, pressure resistance, and explosion protection. Lightweight and durable, it also reduces rolling resistance while maintaining an attractive appearance. 3. Thick outer tires offer shock absorption and cushioning capacity. Inner tubes made of butyl rubber provide airtightness, heat resistance, aging resistance, and chemical resistance. The electrical insulation performance and long lifespan ensure maximum protection for your safe journey. 4. Inflatable inner tubes and outer tires feature better cushioning capacity and shock resistance than solid tires while remaining flexible enough to provide maximum protection for a safe ride.