1. These inner tubes are made from thick, durable rubber that effectively reduces vibrations and absorbs impacts from bumps and rough surfaces. Their robust construction withstands friction and wear, extending lifespan while lowering replacement frequency and maintenance costs.2. The bike inner tube features a thickened contact area that effectively prevents air leaks and tears. It includes a standard 32mm valve stem that is suitable for most manual pumps, making it suitable for a wide range of road bikes and mountain bikes.3. This standard inner tube is suitable for mountain bikes, road bikes, folding bikes, electric bikes, and BMX. It delivers reliable performance and durability for smooth riding on various terrains.4. Note: Please confirm the size of the product before purchasing.
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