Wided Spare Tube with AV Schrader Valve MTB Fat Inner Tube Butyl Rubber Snowmobiles Tyre for E-Bike MTB Fat Beach Bikes. Features: Premium Butyl Rubber, Anti-Aging Technology, Thickened Durability, Extended Tube Life, Versatile Fit. Specification: Origin Mainland China, Main Material Butyl Rubber, Color Black, Style 20x4.0/24x4.0/26x4.0, Packaging Size About 18cm*5cm*3cm, Net Weight About 450g/550g/560g, Nozzle Type AV Beauty Nozzle.