TIRES - The tires are made of rubber, with good abrasion resistance and anti-aging, the material is non-toxic and tasteless, healthy and environmentally friendly.The rubber ribbed surface provides grip, it can be used on snowy and , offering you maximum safety.HOSE - The hose is made of butyl rubber, with good resistance to penetration. The butyl rubber ensures resistance to extreme temperatures (-60Celsius to 180Celsius), can better protection.Double Thickness - The thickness of the inner tube is 1.8mm, twice the thickness, a perfect replacement for or broken scooter tires.SCOPE OF APPLICATION - This spare tire set is compatible with 1S, , Pro 2 electric scooter, also suitable for other with 8.5 inch tires.Colour:black + silverMaterial:Rubber + MetalPackage Contents:1 x Tire1 x inner tube1 x tyre lever