Description: 【TPU Material】: Crafted from TPU material, the TPU Inner Tube is designed to provide long term protection against punctures and flats, ensuring a smooth and worryfree ride 【Versatile Compatibility】: Suitable for most road bikes, this Bike Inner Tube is designed to protect your tires from nails, bolt drivers, thorns, glass, etc, providing versatile protection no matter where your adventures take you 【Lightweight Design】: Engineered to add minimal weight to your bike while offering maximum protection, the TPU Bike Tube maintain the performance of your road bike without compromising speed or agility 【Easy Installation】: The Bicycle Spare Tire is designed for a fit within your tires, making installation straightforward and hasslefrees for both beginners and experienced cyclists 【Design】: Features a Presta Valve that glows in low light to enhance visibility and safety during nighttime rides Specification: Material: TPU Size Chart: Packaging dimensions: 4cmx13cmx3.7cm/1.57inchx5.12inchx1.46inch Package Includes: 1 TPU Inner Tube Note: Please allow slightly errors due to manual measurement and different monitors.