1、Butyl Rubber: Made of thick butyl rubber, the tires feature better sealing performance, ozone resistance, anti aging, shock absorption and electrical insulation, and is durable. 2、Comfort and Safe: Using the combination of tire and inner tube, the inner tube has a good explosion proof effect, which not only adds comfort to your riding, but also ensures your safety. 3、Perfect Replacement: Easy to use and replace, flexible adjustment and firm connection, the tire and inner tube set is a great accessories for replacing the worn or old parts. 4、Product Features: Compared with solid tires, pneumatic tires have good damping properties, allowing you to drive on most roads with confidence, giving you a comfortable driving experience. 5、Applicable Models: The 90/65‑6.5 tire and inner tube set is suitable for 49cc mini pocket bike, mini dirt bike, electric scooter and mini motorcycles, etc.