Premium 8.5-inch inner tube specifically designed for electric scooters with precision-engineered rubber compound for enhanced durability. Features both bent and straight valve options to accommodate various scooter models. Reinforced construction prevents punctures and leaks during high-speed rides. Ideal replacement part for commuter e-scooters and last-mile delivery vehicles. Seamless compatibility with most 9*2 tire configurations ensures perfect fit. Manufactured with aviation-grade butyl rubber for superior air retention. Essential accessory for urban riders seeking reliable performance.