Schwalbe AV7A SV7A 20" 451 440 438 Inner Tube Folding bicycle Mini Velo

👮🚨CHANGE OF MIND RETURN are not accepted. Please do not place any order if you are not certain that you want the product. If you have questions or require more information, please chat with us. We film and record ALL of our packing processes clearly. If the returned products are used, damaged or replaced, even after Lazada issued you a refund, we will file a police report against this scam. We will also blacklist the user and ban him from making purchases from our store.👮🚨 Product details:🚴Schwalbe AV7A SV7A SV7S Inner Tubes🚨SV7A is also known as SV7S ; THEY ARE THE SAME🚨🚨COMES IN 2 DIFFERENT PACKAING STYLE, BOTH ARE THE SAME INSIDE🚨Suitable for most  folding bicycle and mini-velo AV7AValve Type : SchraderValve Length : 40mmWeight : 105grams SV7A / SV7SValve Type : prestaValve Length : 40mmWeight : 100gramsCompatible with the following Tires ETRTO(MM)           Inches37-438                     20x1 3/828-440                     500x28A37-440                     500x35A28-451                     20x1 1/837-451                     20x1 3/8 We are not affiliated with the brands featured. All trademarks and product names are the property of their respective owners. To find out the tube model that you need, look at your tire side walls and refer to the table above.In this case, it is 37-451for example. Look at the table above, it shows that both AV7A and SV7A are suitable for this tire.