Product name: bicycle inner tube Product size: bicycle inner tube:1.8-2.8cm French valve: 65mm-45mm Product color: As shown in the figure Product material: TPU product features: 1. High quality materials: Our road bicycle inner tubes are made of high-quality rubber materials, with exceptional durability and reliability. Compatibility: Suitable for 1.8-2.8cm bicycles, compatible with most road bike models and tire sizes. 3. Valve type: Our bicycle inner tube uses a French type air nozzle with a length of 700C-65mm-45mm for your choice. 4. Optimal pressure: Our inner tube is designed to handle high pressure, ensuring smooth and comfortable driving. 5. Easy to install: Our inner tubes are easy to install, so you can get on the road quickly. 6. Light weight: Our inner tube is light in weight, adding minimal weight to your bike and improving overall efficiency. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can feel free to contact mewe will give you some suggestion, but it is for you reference only. Shipment includes: 1 pc bicycle inner tube