Feature:1. TPU Material: Made from excellent TPU, this replacement inner tube is reliable and durable, with good wear and tear resistance, ensuring a longer lifespan for your mountain bike.2. Optimal Performance: With its high pressure resistance, this bike inner tube allows for stable and efficient riding, providing excellent traction and control on various terrains.3. Easy Installation: The lightweight bike inner tube has simple structure, which is designed for quick and convenient installation, saving you time and effort on the road.4. For Mountain Bike: This replacement inner tube is suitable for mountain bikes, with good compatibility, offering a perfect fit and reliable performance for your cycling adventure.5. Weight Reduction: This TPU ultra light inner tube can effectively reduce driving weight, improve the acceleration performance of mountain bikes, ensure stable riding.Specification:Item Type: Mountain Bike Inner TubeMaterial: TPU.Package List:1 x Bike Inner TubeNote:Do not inflate to a pressure exceeding 2Psi without an outer tire