replacement for vehicle with 21” tires that are between 2.75'' to 3.00'' wide Inner Tubes Installation Precautions: Please confirm your tire size before purchasing our product Material: Our 80/100-21(300/325-21) inner tube is made of high quality butyl rubber material. Our thicken inner tube has the advantage of good sealing performance, ozone resistance, aging resistance, shock absorption, electrical insulation. Improve the cycling experience. Package includes 2x 80/100-21(300/325-21) Inner tubes, 2x valve caps, 1x tire levers in a 1PZ brand box Please verify whether our model is suitable for your products before making a purchase. If you encounter any issues with our products, please don't hesitate to contact us. We'll promptly address the problem and provide you with the best possible after-sales service.
About After Sales Service:

We have a friendly, dedicated and professional team always at your service. If you have any problem with the product or your order, please feel free to contact us via Email or message for a new replacement, refund or technical support. We promise you the best shopping experience with 1PZ Brand.