Feature 1. The electric scooter inner tube is a replacement for Bella, Betty, Bistro, Daisy, Hannah, Sweet Pea, Currie, Schwinn, GT, eZip, X-Treme, and Razor MX125 Dirt Rocket. 2. Made of isobutylene isoprene rubber, the inner tube offers improved performance. 3. Provides better air tightness, elastic damping, and aging resistance compared to natural rubber, meeting reliable durability needs. 4. Easy to install on either the front or rear wheel, helping save time during maintenance. 5. Replaces damaged or worn tire inner tubes and can be used for repair or replacement purposes. Item Type: Electric Scooter Inner Tube Material: Rubber Quantity: 2PCS Installation Position: Front Wheel or Rear Wheel Application: Replaces damaged or worn inner tubes; suitable for repair and replacement use Fits 12-inch wheel scooters and vehicles such as e-Bikes, mini crossers, mini dirt bikes, kids' bikes, and balance bicycles Package List: 2 x Electric Scooter Inner Tube Note: Before installation, submerge the inner tube in water to check for air bubbles, which indicate damage or leaks.