12 1/2x2 1/4 ( 57-203 )Inner tube Outer Tyre for Electric Scooters 12inch Balance Tire E-Bike Tires If you have any questions about the product model, please contact us before purchasing, we will help you confirm the correct model to avoid mistakes! Color as shown,There may be a little chromatic aberration due to the light. Notes 1. Please refer to your original product model to buy. If you have any questions about the product type, please contact us to avoid buying the wrong one. 2. Due to light and screen differences, the color of the product may be slightly different from the picture. 3. Please allow +/-0.5-1cm difference due to manual measurement. make sure that you do not mind before you order. 4. If you have any questions, please feel free to contact me, I will reply as soon as possible. thank you! wish you a happy life! Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin