1、Perfect Fit for 8.5 Inch Tires: Designed specifically for 8.5 inch tires, this inner tube offers a perfect fit, allowing for optimal performance and durability. 2、Rubber Material: Electric scooter inner tube is made with rubber material, ensuring stability and flexibility for long lasting performance. 3、Explosion Proof: Avoid explosive punctures with our penetration resistant and self sealing inner tubes. And with their extreme weather resistance, you'll be assured of your safety in any weather and season. 4、Durable Metal Valve Cap: The sturdy and durable metal valve cap provides effective protection for your scooter tire valve and helps maintain stable pressure. 5、Easy Installation: This inner tube is easy to install and use, making it an ideal replacement for your electric scooter. Item Type: Electric Scooter Inner Tube Material: Rubber Weight: Approx. 79g / 2.8oz 1 x Electric Scooter Inner Tube