✨DON'T MISS OUT Ride now Ultralight Bicycle Inner Tube 29 Inch MTB Bike Tube Valve Length French 45Mm For Mountain Bike Tube PRODUCT PROPERTY ✨ 1: Choose from the brand of rrskit for our product.Our product is from cn(origin). REASONS TO BUY ✨ Innertube: bike inner tube is made of high-quality aluminum alloy, which is not easy to rust and corrosion. ✨ Inner tubes for the bicycle: the bike inner tube is made from premium butyl rubber for high sealing performance. it also benefits from insulation and ventilation. ✨ Cool material: the bike inner tube is made of premium quality aluminum alloy material, which is durable and long-lasting. RELATED INFO ✨ Best inner tubes mountain bikes: our bike inner tubes are made of premium butyl rubber material. this inner tube ensures comfort & longevity. it also features shock absorption and electrical insulation merits, so you can use it with confidence.