Package 1 piece electric scooter tire 8 tires 1/2 Material The scooter wheels are made of butyl rubber, which has high temperature resistance, excellent penetration resistance, aging resistance and durability. Safety This tire features a textured honeycomb surface that offers good grip and slip resistance. It can be used on snowy and rainy roads and offers maximum safety. Easy to Install The inner tube of the scooter 8 1/2 x2 or the inner and outer tire set are very easy to replace. Just make sure the valve is pointing in the right direction Wide usage This 8.5 inch electric scooter tire is ideal for Xiaomi M365/Pro/Pro2/1S electric scooter replacement wheels