Description If you are in need of a replacement inner tube for your bicycle, consider our professional bike inner tube, crafted from durable rubber material that is shockproof and resistant to aging, ensuring long-lasting performance. Features - Color: Black - Material: Rubber - Size: 46.50X46.50X5.00cm/18.27X18.27X1.97in - Made from high-quality materials with excellent craftsmanship, designed to resist wear and tear, making it very practical for use. - The inner tubes offer enhanced sealing performance, wear resistance, resistance to aging, shock absorption, and electrical insulation properties. - This rubber tire tube replacement effectively absorbs shocks on uneven roads for a comfortable ride. - A professional and practical bike inner tube that is heat-resistant and designed to withstand daily wear and tear. - The appropriate size and lightweight design make this cycling inner tube easy to install. Packing list: 2 x Bike Inner Tubes