Features: Engineered with high strength and silicone, this bike inner tube delivers outstanding puncture resistance for worry easy rides on rough terrains light construction reduces overall bike weight by 60% compared to rubber tubes Perfect for adventure cyclists, city commuters, and riders who prioritize durability and performances across mountain bikes, road bikes, and cycles. Great for demanding conditions like trail, city streets with debris, and extreme temperature environments from 20°C to 60°C without component degradation. generic compatibility with 26" 29" tires and tool easy installation make it a versatile upgrade for casual riders and competitive cyclists alike. Specifications: Component: Process: Adopt advanced technology to secure wear resistance and elasticity of inner tubes Parameters: Suitable for bike tires of various sizes Size: detail are shown in the picture and provide a variety of specifications according to different models. Practicality: Suitable for all kinds of riding environments, especially in long-distance riding, it can effectively reduce the risk of tire blowouts and improve the safety and comfort of riding Package Includes: Bike inner tube × 1 note: Please allow 0-1cm error due to manual measurement. Make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!