【FITS MULTIPLE ROAD BIKES】This 700C Road bike tube is compatible with many tire sizes: 28“ 700 x 18C/23C/25C/28C/30C/32C Valve Length French 65mm 【TPU MATERIAL】Road bike inner tubes are made of high-quality TPU material, and the special puncture-proof layer design can effectively prevent sharp objects from puncturing the carcass, providing higher safety and reliability 【ULTRALIGHT】TPU bicycle inner tubes weigh only 30 grams, which is about 100 grams lighter than traditional butyl rubber inner tubes, reducing the burden on the bicycle, providing more sensitive acceleration and making riding easier 【COMPACT AND LIGHTWEIGHT】Bicycle tire inner tubes are compact, easy to store, and lightweight, making it convenient for you to carry with you; They take up very little space in your saddle bag 【REDUCE ROLLING RESISTANCE】The friction generated on the tire is very small, allowing for maximum speed and performance; Instantly add power to your ride and provide a smoother riding experience 【NOTE】The inner tube inflation pressure must not exceed 3 PSI before installation, otherwise it will deform or burst 【FITS MULTIPLE ROAD BIKES】This 700C Road bike tube is compatible with many tire sizes: 28“ 700 x 18C/23C/25C/28C/30C/32C Valve Length French 65mm