This kind of electric scooter inner tube is suitable for a variety of models, and can be used for tire repairs and maintenance to improve safety and service life. Features: Suitable for inner tube of 10 * 3, 90/65-6.5, 255 * 80, 80/65-6.5 tire. It effectively repairs various inner tube damage and aging problems, and improve the service life of scooter. Timely replacement of inner tube can effectively improve riding safety. Rubber material, wear resistance, long service life. It can improve the shock absorption effect of the tire and improve the riding comfort. Specifications: Material: rubber Inner diameter: 145mm / 5.7in Outer diameter: 240mm / 9.4in Item weight: 150g / 5.3ounce Package size: 300 * 100 * 80mm / 11.8 * 3.9 * 3.1in Package weight: 200g / 7.1ounce Packing List: 1 * Inner Tube