Features 1、Durable: The bicycle inner tube adopts a special TPU material, which also greatly improves the durability. It has excellent anti aging properties and can be used in high temperature and humid environments. 2、Ultra Light: Ultra light bike inner tube effectively reduces the burden on the bicycle, and improves acceleration performance, making the ride lighter, achieving the maximum speed and performance. 3、Safe: Our inner tube is suitable for road or mountain bikes, long time riding on uneven roads is not easy to burst, providing safety for your riding trip. 4、Good Airtightness: The bike inner tube is equipped with a high airtightness valve, which will not leak and can be used for long time with 1 inflation. 5、Easy To Install: Remove the tire, take out the old inner tube, replace it with a new inner tube after pressing the tire back in, and then inflate it. Do not inflate more than 2Psi without an outer tire. Item Type: Bike Inner Tube Material: TPU Weight: Approx. 72g / 2.5oz Package List 1 x Bike Inner Tube