Ultralight Bike Inner Tube Bicycle TPU Material Tire Inner Tube 28in French Valves Bike Inner Tube Bicycle Accessory This bike inner tube is french valves, suitable for bikes with 18-32mm width tyre. Features: Lose weight on your tires, reduced spinning mass where there are more (wheelsets), more responsive acceleration and resulting improved handling and climbing speed. Improved puncture resistance, light weight and more compact when folded. The TPU material has perfect puncture resistance. It is made in integrated, with no long seams around the circumference of the inner tube, there is only joints around the valves, reduces the possibility of air leakage. Resistant to high and low temperatures, stable tyre pressure ensures your safety when going down hill. Three times reinforced seal for the easily damaged and irreparable nozzle connection, which has been tested and will not leak even if pulled hard for more than 2000 times. Specifications: Main color: green Material: TPU+alloy Valves: FV60mm Apply to: Road Bike 700 X 18C / 23C / 25C / 28C / 30C / 32C (Recommended scope of application) Package size: 100 * 55 * 35mm / 3.9 * 2.2 * 1.4in Package weight: 60g / 2.1ounce Packing List: 1 * Bike Inner Tube